Johannes CB, Crawford SL, Longcope C, McKinley SM. Bleeding patterns and changes in the perimenopause: a longitudinal characterization of menstrual cycles. Clin Consultations Obstetr Gynecol. 1996;8:9-20.
Suit HD, Sedlacek R, Fagundes L, Goitein M, Rothman KJ. Time distribution of recurrences of an immunogenic and non-immunogenic tumor following local irradiation. Radiat Res. 1978 Feb;73(2):251-66.