1. Age at menopause of urban zulu women;Abramson;Science,1960
2. The age of the menarche and of the menopause in white South African women and certain factors influencing these times;Benjamin;S Afr Med J,1960
3. The distribution of menopausal age in New Zealand An exploratory study;Burch;NZ Med J,1967
4. Osteoporosis of the slender smoker;Daniell;Arch Intern Med,1976
5. Changing age of the menopause;Frommer;Br Med J,1964