(1)
Wludarski, S. C. L.; Lopes, L. F.; Duarte, Ívison X.; Carvalho, F. M.; Weiss, L.; Bacchi, C. E. Estrogen and Progesterone Receptor Testing in Breast Carcinoma: Concordance of Results Between Local and Reference Laboratories in Brazil. Sao Paulo Med J 2011, 129, 236-242.