PT - JOURNAL ARTICLE AU - J L Vaught AU - A E Takemori TI - A further characterization of the differential effects of leucine enkephalin, methionine enkephalin and their analogs on morphine-induced analgesia. DP - 1979 Nov 01 TA - Journal of Pharmacology and Experimental Therapeutics PG - 280--283 VI - 211 IP - 2 4099 - http://jpet.aspetjournals.org/content/211/2/280.short 4100 - http://jpet.aspetjournals.org/content/211/2/280.full SO - J Pharmacol Exp Ther1979 Nov 01; 211