TY - RPRT TI - Effort and cognition in depression. AU - R M Cohen AU - H Weingartner AU - S A Smallberg AU - D Pickar AU - D L Murphy PY - 1982 DO - 10.1001/archpsyc.1982.04290050061012 UR - https://pubmed.ncbi.nlm.nih.gov/7092490/ ID - 7092490 ER -