Espinosa, Enrique, Jorge Martínez-Ara, Maria Luz Picazo, and Pilar Zamora. 1993. “Lymphoma and Type I Membrano-Proliferative Glomerulonephritis—A Case Report”. Acta Oncologica 32 (4):460-61. https://doi.org/10.3109/02841869309093626.