1. Menstrual statistics; a study based on 4500 menstrual histories;Sanes;Am. J. Obstet. Dis. Wom. Child,1916
2. On the first and last appearance of the menses and the relation existing between the two periods;Guy;Med. Times,1845
3. Relation of parity to age at menopause;Soberon;Am. J. Obstet. Gynecol,1966
4. Age at menopase, United States 1960–1962;MacMahon;United States Vital and Health Statistics,1966
5. Epidemiologic study of malignancies of the ovaries;West;Cancer,1966