Original Article: PDF OnlyThecosis A Study of Diffuse Stromal Thecosis of the Ovary and Superficial Collagenization with Follicular Cysts (Stein-Leventhal Ovary)FIENBERG, ROBERT M.D. Author Information Laboratory of Pathology and the Beverly Hospital Research Foundation, Beverly Hospital, Beverly, Mass. Obstetrics & Gynecology 21(6):p 687-700, June 1963. Buy © 1963 The American College of Obstetricians and Gynecologists