[On the nature of the effects of repeated administration of promedol].
D000818:Animals; D001921:Brain / Q000187:drug effects*; D003214:Conditioning, Classical / Q000187:drug effects*; D010880:Piperidines / Q000494:pharmacology*; D051381:Rats
D010880:Piperidines
O kharaktere vliianiia povtornykh primeneniĭ promedola.