Exercise and secondary amenorrhoea linked through endogenous opioids.
Department of Family Practice, University of Michigan Medical School, Ann Arbor.
M T
MT
Ruffin
R E
RE
Hunter
E A
EA
Arendt
D000328:Adult; D000568:Amenorrhea / Q000209:etiology / Q000503:physiopathology*; D004723:Endorphins / Q000502:physiology*; D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans
D004723:Endorphins