Ferris F Z, Zeis P M
JAMA. 1976 Feb 2;235(5):522-3.
Two children presenting typical clinical features of the hemolytic-uremic syndrome had a positive direct Coombs test that remained positive throughout the illness. It is probable that an upper respiratory tract infection precipitated an antigen-antibody reaction that caused the autoimmune hemolytic anemia and immune-complex glomerulonephritis.