1. McKinlay, Sonja M. and Jefferys, Margot (1974). The menopausal syndrome. Brit. J. Prevent. Soc. Med., 28, 108
2. Neugarten, B. L. and Kraines, R. J. (1965). ‘Menopausal symptoms’ in women of various ages. Psychosomat. Med., 27, 266
3. Prill, H. J. (1966). Die Beziehung von Erkrankungen und sozialpsychologischen Fakten zum Klimakterium. Med. Klin., 61, 1325
4. Jaszmann, L., van Lith, N. D. and Zaat, J. C. A. (1969). The pcrimenopausal symptoms. Med. Gynaecol. Sociol., 4, 268
5. Thompson, B., Hart, S. A. and Durno, D. (1973). Menopausal age and symptomatology in a general practice. J. Biosocial Sci., 5, 71