1. Delayed menarche and amenorrhea of college athletes in relation to age of onset of training;Frisch;JAMA,1981
2. Annual meeting of Endocrine Society;Frisch,1981
3. Exercise associated amenorrhea: a distinct entity?;Schwartz;Am J Obstet Gynecol,1982
4. Menstrual dysfunction in distance runners;Dale;Obstet Gynecol,1979
5. Estrogen excretion patterns and plasma levels in vegetarian and omnivorous women;Goldin;N Engl J Med,1982