TY - GEN AU - Sommers,D K AU - Loots,J M AU - Simpson,S F AU - Meyer,E C AU - Dettweiler,A AU - Human,J R TI - Circulating met-enkephalin in trained athletes during rest, exhaustive treadmill exercise and marathon running SN - 0031-6970 PY - 1990///0629 KW - Adult KW - Enkephalin, Methionine KW - blood KW - Humans KW - Male KW - Physical Exertion KW - physiology KW - Running KW - Time Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00315582 ER -