TY - RPRT TI - Quantifying the ease or difficulty older persons experience in opening medication containers. AU - S Keram AU - M E Williams PY - 1988 DO - 10.1111/j.1532-5415.1988.tb01800.x UR - https://pubmed.ncbi.nlm.nih.gov/3339227/ ID - 3339227 ER -