DOI:10.6083/M41R6NPT Harris, Glenda C. Effects of central administration of an enkephalin analog ([D-Ala2 ]-methionine enkephalinamide) on the development of conditioned heart rate respones https://digitalcollections.ohsu.edu/record/1310/files/2012_etd.pdf 2023-06-29T20:12:31Z http://digitalcollections.ohsu.edu/record/1310 http://digitalcollections.ohsu.edu/record/1310 Text