作者: J. S. Kasper , E. Giovannucci
DOI: 10.1158/1055-9965.EPI-06-0410
关键词:
摘要: … a random-effects model. This method was chosen over a fixed-effect model because of a high … The Mantel-Haenszel (22) fixed-effect model was also used in the event that we found little …