Authors:
Ioannidis, JPA
Dixon, DO
McIntosh, M
Albert, JM
Bozzette, SA
Schnittman, SM
Citation: Jpa. Ioannidis et al., Relationship between event rates and treatment effects in clinical site differences within multicenter trials: An example from primary Pneumocystis carinii prophylaxis, CONTR CL TR, 20(3), 1999, pp. 253-266