TY - RPRT TI - High-affinity enkephalin-degrading peptidase in brain is increased after morphine. AU - B Malfroy AU - J P Swerts AU - A Guyon AU - B P Roques AU - J C Schwartz PY - 1978 DO - 10.1038/276523a0 UR - https://pubmed.ncbi.nlm.nih.gov/214708/ ID - 214708 ER -