* separate keywords with comma
Top Websites medicine 1-15:
1.
healing.about.com 
2,401,181

2.
academia.edu 
494,204

3.
dictionary.com 
442,865

4.
nature.com 
436,775

5.
stanford.edu 
406,933

6.
medicalnewstoday.com 
396,962

7.
vt.edu 
247,593

8.
drugs.com 
240,427

9.
sciencedaily.com 
232,759

10.
ucf.edu 
225,470

11.
tufts.edu 
194,012

12.
medicaldaily.com 
186,706

13.
vanderbilt.edu 
185,695

14.
buffalo.edu 
172,506

15.
gla.ac.uk 
145,553

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