Decision making in clinical trials: Interim analyses, innovative design, and biomarkers oleh Kathleen A. Welsh‐Bohmer, Geoffrey A. Kerchner, Shobha Dhadda, Miguel Garcia, David S. Miller, Fanni Natanegara, Lars Lau Raket, Weining Robieson, Eric R. Siemers, Maria C. Carrillo, Christopher J. Weber