1. 1) Otis CL, Drinkwater B, Johnson M, Loucks A, Wilmore J. 1997. ACSM position stand: The female athlete triad. Med Sci Sports Exerc 29: i-ix.
2. 2) Loucks AB. 2003. Energy availability, not body fatness, regulates reproductive function in women. Exerc Sport Sci Rev 31: 144-148.
3. 3) Ruud JS. 1996. The minerals: calcium, iron, and zinc. In: Nutrition and the Female Athlete, p 75-105. CRC Press, New York, NY.
4. 4) Ministry of Health, Labour and Welfare. 2010. Dietary Reference Intakes for Japanese, p 43-61. Daiichi Shuppan Publishing Co., Ltd., Tokyo.
5. Determinants of 24-hour energy expenditure in man. Methods and results using a respiratory chamber.