Development of tolerance to the antidiuretic effect of levorphanol in rats.
D000818:Animals; D050034:Antidiuretic Agents; D004361:Drug Tolerance; D007981:Levorphanol; D009020:Morphine; D051381:Rats
D050034:Antidiuretic Agents; D007981:Levorphanol; D009020:Morphine
DRUG TOLERANCE; MORPHINE