TY - RPRT TI - Enhancing adherence in randomized controlled clinical trials. AU - S A Shumaker AU - E Dugan AU - D J Bowen PY - 2000 DO - 10.1016/s0197-2456(00)00083-0 UR - https://pubmed.ncbi.nlm.nih.gov/11018580/ ID - 11018580 ER -