Stürmer, T., Rothman, K. J., & Glynn, R. J. (2006). Insights into different results from different causal contrasts in the presence of effect-measure modification. Pharmacoepidemiology and Drug Safety, 15(10), 698–709. doi:10.1002/pds.1231
Stürmer, T., Rothman, K. J., & Glynn, R. J. (2006). Insights into different results from different causal contrasts in the presence of effect-measure modification. Pharmacoepidemiology and Drug Safety, 15(10), 698–709. doi:10.1002/pds.1231