TY - RPRT TI - Marginal analysis of incomplete longitudinal binary data: a cautionary note on LOCF imputation. AU - Richard J Cook AU - Leilei Zeng AU - Grace Y Yi PY - 2004 DO - 10.1111/j.0006-341x.2004.00234.x UR - https://pubmed.ncbi.nlm.nih.gov/15339307/ ID - 15339307 ER -