1. Variation in the human menstrual cycle through reproductive life;Treloar;Int J Fertil,1967
2. Statistical studies on menstruation: A criticism on the definition of normal menstruation;Matsumoto;Gunma J Med Sci,1962
3. The length and variability of the human menstrual cycle;Chiazze;JAMA,1968
4. The tritium RBE at low-level exposure — Variation with dose, dose rate, and exposure duration;Dobson;Curr Top Radiat Res Q,1977
5. Reservation of ovarian function in patients requiring radiotherapy for para-aortic and pelvic Hodgkin's disease;Baker;Lancet,1972