TYPE 12 STREPTOCOCCI AND ACUTE GLOMERULONEPHRITIS. I. PRESENCE AND RECALL OF TYPE-SPECIFIC STREPTOCOCCAL ANTIBODIES IN PATIENTS WITH HEALED ACUTE GLOMERULONEPHRITIS.

TYPE 12 STREPTOCOCCI AND ACUTE GLOMERULONEPHRITIS. I. PRESENCE AND RECALL OF TYPE-SPECIFIC STREPTOCOCCAL ANTIBODIES IN PATIENTS WITH HEALED ACUTE GLOMERULONEPHRITIS.