Results 201 to 210 of about 47,172 (213)
Some of the next articles are maybe not open access.
Methionine enkephalin, but not leucine enkephalin, is excreted in bile
Journal of Hepatology, 1987openaire +1 more source
Enkephalin: Radioimmunoassay and radioreceptor assay in morphine dependent rats
European Journal of Pharmacology, 1977exaly

