Oliveira, C, J M Frazão, C Pires, J G Silva, and F Carrera. 1992. “Significance of Digestive Hemorrhage in Patients With Chronic Renal Insufficiency in Hemodialysis”. Acta Médica Portuguesa 5 (2). Lisbon, Portugal:71-4. https://doi.org/10.20344/amp.3200.