Dealing With Unanticipated Mortality in a Large Randomized Clinical Trial of Topical Tretinoin
1995 ◽
Vol 98
(4)
◽
pp. 349-356
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2013 ◽
Vol 166
(3)
◽
pp. 559-565.e1
◽
2002 ◽
Vol 89
(2)
◽
pp. 154-157
◽