@article{5675d4628c0c4391a57237c173fa951b,
title = "Selective breeding for levorphanol-induced antinociception on the hot-plate assay: Commonalities in mechanism of action with morphine, pentazocine, ethylketocyclazocine, U-50488H and clonidine in mice",
author = "Belknap, {J. K.} and Danielson, {P. W.} and Laursen, {S. E.} and B. Noordewier",
year = "1987",
language = "English (US)",
volume = "241",
pages = "477--481",
journal = "Journal of Pharmacology and Experimental Therapeutics",
issn = "0022-3565",
publisher = "American Society for Pharmacology and Experimental Therapeutics",
number = "2",
}