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Operational aspects of terminating randomization in the multicenter trial of cryotherapy for retinopathy of prematurity
Earl A. Palmer, Robert J. Hardy, Barry R. Davis, Judith A. Stein, Richard L. Mowery, Betty Tung, Dale L. Phelps, David B. Schaffer, John T. Flynn, Cynthia L. PhillipsVolume:
12
Year:
1991
Language:
english
Pages:
16
DOI:
10.1016/0197-2456(91)90025-h
File:
PDF, 1005 KB
english, 1991