| aacrjournals.org |
19 |
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19 |
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| acm.org |
27 |
| dl.acm.org |
22 |
| delivery.acm.org |
5 |
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16 |
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16 |
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17 |
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17 |
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| archive.org |
7 |
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7 |
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| bmiresearch.com |
288 |
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288 |
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| bmj.com |
55 |
| bmj.com |
27 |
| jobs.bmj.com |
7 |
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21 |
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| bvdep.com |
4 |
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4 |
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151 |
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21 |
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130 |
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| cambridge.org |
163 |
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3 |
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160 |
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754 |
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15 |
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739 |
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| ceeol.com |
9 |
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9 |
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| chaoxing.com |
699 |
| m.chaoxing.com |
26 |
| qikan.chaoxing.com |
609 |
| chaoxing.com |
64 |
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2 |
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2 |
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7 |
| journal.chinalawinfo.com |
7 |
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| chronicle.com |
67 |
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65 |
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2 |
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| clarivate.com |
600 |
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560 |
| login.incites.clarivate.com |
11 |
| incites.clarivate.com |
12 |
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12 |
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5 |
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| clinicalkey.com |
46 |
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46 |
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| cnki.net |
3570 |
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9 |
| new.oversea.cnki.net |
49 |
| book.oversea.cnki.net |
14 |
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1211 |
| eng.oversea.cnki.net |
2005 |
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1 |
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| co.uk |
36 |
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36 |
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| com.cn |
88 |
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15 |
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10 |
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12 |
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15 |
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26 |
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| crl.edu |
5 |
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5 |
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| degruyter.com |
3 |
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3 |
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| docuseek2.com |
61 |
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61 |
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| doi.org |
31 |
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31 |
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| dowjones.com |
8 |
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4 |
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3 |
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1 |
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| duke.edu |
653 |
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653 |
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| dukeupress.edu |
5 |
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5 |
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| eastview.com |
132 |
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132 |
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| eblib.com |
28 |
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27 |
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1 |
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5 |
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5 |
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| ebscohost.com |
709 |
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51 |
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5 |
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265 |
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18 |
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153 |
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157 |
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54 |
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6 |
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| economist.com |
15 |
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15 |
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4 |
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4 |
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150 |
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149 |
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1 |
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22 |
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22 |
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96 |
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7 |
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32 |
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32 |
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390 |
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16 |
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4 |
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370 |
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1 |
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1 |
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10 |
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10 |
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| google.com |
63 |
| google.com |
9 |
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20 |
| scholar.google.com |
34 |
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| ieee.org |
14 |
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14 |
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| imf.org |
3 |
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3 |
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| informs.org |
38 |
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38 |
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62 |
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4 |
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58 |
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52 |
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52 |
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60 |
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60 |
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4 |
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4 |
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5 |
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5 |
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| marketline.com |
58 |
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58 |
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68 |
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68 |
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1560 |
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22 |
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8 |
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14 |
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| nature.com |
53 |
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1 |
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51 |
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1 |
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1 |
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1 |
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59 |
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59 |
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| nih.gov |
2 |
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1 |
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| oclc.org |
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5 |
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12 |
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| oup.com |
25 |
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25 |
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2 |
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2 |
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| proquest.com |
997 |
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4 |
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| pubmed.gov |
1 |
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1 |
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| readspeaker.com |
2 |
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1 |
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1 |
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8 |
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7 |
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1 |
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| rsc.org |
7 |
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7 |
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| sagepub.com |
455 |
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455 |
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| sciencedirect.com |
14 |
| sciencedirect.com |
14 |
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10 |
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10 |
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| scopus.com |
28 |
| scopus.com |
28 |
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356 |
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115 |
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1 |
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240 |
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4 |
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4 |
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1 |
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48 |
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48 |
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| uchicago.edu |
6 |
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6 |
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| ucpress.edu |
17 |
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17 |
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12 |
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12 |
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| webofknowledge.com |
273 |
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5 |
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32 |
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236 |
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| wiley.com |
398 |
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16 |
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382 |
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| worldbank.org |
3 |
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3 |
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| worldscientific.com |
14 |
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14 |
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