TY - RPRT TI - Estimating heterogeneity in random effects models for longitudinal data. AU - A Lemenuel-Diot AU - A Mallet AU - C Laveille AU - R Bruno PY - 2005 DO - 10.1002/bimj.200410111 UR - https://pubmed.ncbi.nlm.nih.gov/16053257/ ID - 16053257 ER -