[On difficulties of objective determination of analgetic effects in man].
D000700:Analgesics; D018712:Analgesics, Non-Narcotic / Q000494:pharmacology*; D058633:Antipyretics
D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D058633:Antipyretics
ANALGESICS AND ANTIPYRETICS/pharmacology