Likely impacts of recruitment site and methodology on characteristics of enrolled patient population: irritable bowel syndrome clinical trial design
1999 ◽
Vol 107
(5)
◽
pp. 85-90
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Keyword(s):
1999 ◽
Vol 107
(5)
◽
pp. 98-102
◽
Keyword(s):
2014 ◽
Vol 20
(2)
◽
pp. 163-170
◽
Keyword(s):
Keyword(s):
Keyword(s):