Guerreiro, I. D. C., P. R. de O. L. Castanho, and F. F. Baracat. “Endometrial Biopsy With Uretral Plastic No. 12 Sonde”. São Paulo Medical Journal, vol. 113, no. 1, Jan. 1995, pp. 698-00, https://periodicosapm.emnuvens.com.br/spmj/article/view/1550.