TY - RPRT TI - Methodological issues in adherence to cancer control regimens. AU - E R Gritz AU - M R DiMatteo AU - R D Hays PY - 1989 DO - 10.1016/0091-7435(89)90042-x UR - https://pubmed.ncbi.nlm.nih.gov/2694165/ ID - 2694165 ER -