title: Opioids alter tumor cell growth and differentiation in vitro.
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000187:drug effects; D002455:Cell Division / Q000187:drug effects; D002460:Cell Line; D002471:Cell Transformation, Neoplastic / Q000473:pathology*; D002478:Cells, Cultured; D004305:Dose-Response Relationship, Drug; D003932:Heroin / Q000494:pharmacology*; D051379:Mice; D008938:Mitosis / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D009447:Neuroblastoma / Q000473:pathology*
chemical_list: D009270:Naloxone; D003932:Heroin