WE BUNNEY Jr, CB PERT, W KLEE, E … - Annals of Internal Medicine, 1979 - Am Coll Physicians Humans have used opium extracts since antiquity, studied its purified active
ingredient, morphine, for over a century, and directly demonstrated its
receptors in brain only 6 years ago, and even more recently discovered the ... Cited by 27 - Related articles
[CITATION] Pert A. Tallman JF: Isolation of a novel endogenous opiate analgesic from human blood
A GOLDSTEIN - Anesthesiology, 1978 - journals.lww.com Anesthesiology. Wolters Kluwer Health | Lippincott Williams & Wilkins. All Issues. ... Cited by 19 - Related articles - All 2 versions