Pires, D., Leandro, A., Eliseu, T., Luz, Z., Mendes, L., Ramos, J., & Nobre, L. (1994). Gastrointestinal angiodysplasia. Estrogen-progesterone therapy. Acta Médica Portuguesa, 7(11), 631–3. https://doi.org/10.20344/amp.2980