1. Andrews, G., and Tennant, C., 1978, Life stress and psychiatric illness, Psychol. Med., 8:545.
2. Ballinger, C.B., 1975, Psychiatric morbidity and the menopause: screening of a general population sample, B.M.J., 2:344–346.
3. Beard, R.J., 1975, The menopause, Brit. J. Hosp. Med., 13:631–637.
4. Blalock, H.M., Jnr., 1968, Theory building and causal inferences, in: “Methodology in Social Research,” H.M. Blalock, Jnr. & A.B. Blalock, eds., McGraw-Hill, New York.
5. Blatt, H.G., Wiesbader, H., and Kuppermann, H., 1953, Vitamin E and the climacteric syndrome, A.M.A. Arch. Int. Med., 91:792–799.