title: The case of a female pilot who comes to the flight surgeon's office complaining that her menstrual periods have become more frequent.
authors.forename: R A
authors.initials: RA
authors.lastname: Penne
mesh_terms: D000328:Adult; D000337:Aerospace Medicine; D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000502:physiology*