Reduced aromatase activity in granulosa cells of women with endometriosis undergoing assisted reproduction techniques - Abreu, Lauriane Giselle de; Romão, Gustavo Salata; Reis, Rosana Maria dos; Ferriani, Rui Alberto; Sá, Marcos Felipe Silva de; Moura, Marcos Dias de (Gynecological Endocrinology, 2006)