Evaluation of immunoglobulin classes (IgA, IgG and IgM) levels and complement fixation activity in HIV infected subjects - Ifeanyichukwu, M; Onyenekwe, C; Ele, P; Ukibe, N; Meludu, S; Ezeani, M; Ezechukwu, C (International Journal of Biological and Chemical Sciences, 2010)