Identifying patient subgroups who benefit most from a treatment: using administrative claims data to uncover treatment heterogeneity.
Erder MH, Signorovitch JE, Setyawan J, Yang H, Parikh K, Betts KA, Xie J, Hodgkins P, Wu EQ. Identifying patient subgroups who benefit most from a treatment: using administrative claims data to uncover treatment heterogeneity. J Med Econ. 2012; 15(6):1078-87.