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Journal of Biopharmaceutical Statistics|March 1, 1993
A simple stopping rule for declaring treatment ineffectiveness in clinical trialsG G Enas, W W Offen
Journal of Medicine|January 1, 1985
Dose response to fenoprofen calcium using placebo and codeine as controlsW W Offen, C M Gruber
British Journal of Clinical Practice. Supplement|November 1, 1994
Nizatidine versus placebo in gastro-oesophageal reflux disease: a 12-week, multicentre, randomised, double-blind studyM L Cloud, W W Offen, M Robinson
The American Journal of Gastroenterology|December 1, 1991
Nizatidine versus placebo in gastroesophageal reflux disease: a 12-week, multicenter, randomized, double-blind studyM L Cloud, W W Offen, M Robinson
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