@misc{indiciae1ff1dd5aaedc,
  title = {The effect of marathon training upon menstrual function.},
  author = {M M Shangold and H S Levine},
  year = {1982},
  doi = {10.1016/0002-9378(82)90464-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/7102761/},
  note = {Source identifier: 7102761}
}