Empirical evidence of bias in infertility research: Overestimation of treatment effect in crossover trials using pregnancy as the out-come measure: Khan K.S.; Daya S.; Collins J.A.; Walter S.D. GBR Fertil Steril 1996 65/5 (939–945)

• 卷第55卷
• 期第2期
• 文件大小122.61KB
• 发表时间1996
• DOI10.1016/s0020-7292(96)80212-8