title: [Analgesia and age. I. Age-conditioned changes in the analgesic effect of strong analgesics in rats].
mesh_terms: D000375:Aging; D000698:Analgesia; D000818:Animals; D008614:Meperidine; D009020:Morphine; D051381:Rats; D013997:Time Factors
chemical_list: D009020:Morphine; D008614:Meperidine
vernacular_title: Analgetiká a vek. I. Vekom podmienené zmeny v analgetickom úcinku silných analgetík u krýs.