TY - RPRT TI - Cynomolgus monkeys do not develop tolerance to opioids. AU - J W Ternes AU - R Ehrman AU - C P O'Brien PY - 1983 DO - 10.1037//0735-7044.97.2.327 UR - https://pubmed.ncbi.nlm.nih.gov/6189500/ ID - 6189500 ER -