Wludarski SCL, Lopes LF, Duarte Ívison X, Carvalho FM, Weiss L, Bacchi CE. Estrogen and progesterone receptor testing in breast carcinoma: concordance of results between local and reference laboratories in Brazil. Sao Paulo Med J [Internet]. 2011 Jul. 7 [cited 2025 Mar. 10];129(4):236-42. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1606