the nature of hepatitis b virus ( hbv ) antigens in hbv-associated glomerulonephritides was investigated in 7 hepatitis b surface antigen ( hbsag ) carriers with membranous nephropathy , 16 hbsag carriers with mesangial iga nephropathy , and 1 hbsag carrier with a mixed picture of membranous and iga nephropathies .
C0017658
glomerulonephritides
C0017665
membranous nephropathy