Bibliografia

1) Malina R.M., Harper A.B., Avent H.H., Campbell D.E.: Age at menarche in athletes and non-athletes . Med Sci Sports 5: 11, 1973.

2) Malina R.M., Spirduso W.W., Tate C., Baylor A.M.: Age at menarche and selected menstrua characteristics in athletes at different competitive levels and in different sports . Med Sci Sports 10: 218, 1978.

3) Weicker H., Barwich D., Bauer D., Zachmann L.: Changes in sexual hormones with female top athletes . Int J Sports Med 5: 200, 1984.

4) Vendenbroucke J.P., Van Laar A., Valkennburg H.A.: Synergy between thinness and intensive sports an activitiy in delaying menarche . Brit Med J 284: 1907, 1982.

5) Frish R.E., McArtur J.W.: Menstrual cycles: fatness as a determinant of minimum weight for height necessary for the maintenance or onset. Science 185: 949, 1974.

6) Wilkins L.: Diagnosi e trattamento delle malattie endocrine della infanzia e della adolescenza . Ed. Medico Scientifiche Internazionali, Roma, 210-11, 1967.

7) Shangold M.M.: Evaluating menstrual irregularity in athletes . Phys Sportsmed 10: 21, 1982.

8) Carlberg K.A., Buckman M.T., Peake G.T., Riedesel M.L.: A survey of menstrua function in athletes . Eur Y Appl Physiol 51: 211, 1983.

9) Wurster K.G., Zwirner M., et al.: Discipline specific differences in the responses of pituitary, gonadal and adrenal to maximal physical exercise in female top athletes. Int J Sports Med 5: 203, 1984.

10) Howlett T.A., Tomlin S., Ngahfoong L., et al.: Rilascio di b-endorfina e metencefalina in donne sane sotto sforzo: risposta all'allenamento. Brit Med J Ed Ital 1: 63, 1984.