TY - RPRT TI - Smooth random effects distribution in a linear mixed model. AU - Wendimagegn Ghidey AU - Emmanuel Lesaffre AU - Paul Eilers PY - 2004 DO - 10.1111/j.0006-341x.2004.00250.x UR - https://pubmed.ncbi.nlm.nih.gov/15606415/ ID - 15606415 ER -