Progesterone receptor determination in human breast tumors by immunocytochemical and biochemical techniques.
Cappelletti V, Patriarca C, Granata G, Cattoretti G, Coradini D, Di Fronzo G, Horwitz K. Progesterone receptor determination in human breast tumors by immunocytochemical and biochemical techniques. Breast Cancer Res Treat. 1989 Nov; 14(2):217-25.