TY - GEN AU - Kent,D M AU - Nelson,J AU - Altman,D G AU - Hayward,R A TI - Treatment Effect Heterogeneity in Clinical Trials: An Evaluation of 13 Large Clinical Trials Using Individual Patient Data SN - 1524-4733 PY - 2016///0610 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.jval.2014.08.1756 ER -