* separar palavras-chave com vírgula
Melhores sites Health 1-15:
1.
walmart.com 
512,334

2.
webmd.com 
456,982

3.
cbc.ca 
385,439

4.
coupons.com 
234,036

5.
sciencedaily.com 
232,759

6.
ucf.edu 
225,470

7.
uwaterloo.ca 
213,270

8.
thestudentroom.co.uk 
206,448

9.
tufts.edu 
194,012

10.
manithan.com 
160,348

11.
anabel.al 
127,379

12.
dnaindia.com 
109,297

13.
brainpop.com 
98,486

14.
brobible.com 
91,728

15.
wn.com 
72,077

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