Silva, Guilherme Rodrigues da, Maria Caymmi Gomes, and Roberto F. Santos. 1965. “Pneumocystis Pneumonia in the Adult. Report of Case Associated With Co-Ticosteroid Therapy for Rheumatoid Arthritis”. Revista Do Instituto De Medicina Tropical De São Paulo 7 (1): 31-38. https://revistas.usp.br/rimtsp/article/view/202043.