@article{dc415764ed1f4e01b64c20a6a61b2192,
title = "Exercise and Secondary Amenorrhoea Linked Through Endogenous Opioids",
author = "Ruffin, {Mack T.} and Hunter, {Robert E.} and Arendt, {Elizabeth A.}",
note = "Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",
year = "1990",
month = aug,
doi = "10.2165/00007256-199010020-00001",
language = "English (US)",
volume = "10",
pages = "65--71",
journal = "Sports Medicine",
issn = "0112-1642",
publisher = "Springer International Publishing AG",
number = "2",
}