TY - RPRT TI - The class effect: is it relevant to geriatrics? AU - Mark H Beers AU - Richard G Stefanacci PY - 2005 DO - 10.1111/j.1532-5415.2005.53408.x UR - https://pubmed.ncbi.nlm.nih.gov/16078969/ ID - 16078969 ER -