Pinheiro, Luís, João Ramires, Margarida Lucas, and Rui Victorino. 2003. “A Retrospective Study of Problems With Physicians, Experienced by Patients Undergoing Haemodialysis, in an Internal Medicine Service”. Internal Medicine 10 (1). Lisboa, Portugal:13-22. https://revista.spmi.pt/index.php/rpmi/article/view/1782.