SGOT: serum glutamic-oxaloacetic transaminase; AST: aspartate aminotransferase; SGPT: serum glutamic-pyruvic transaminase; ALT: alanine aminotransferase; ALK: alkaline; HIV-Ab: HIV antibody; HBsAg: hepatitis B surface antigen; HCV: hepatitis C. Here, ALK is linked to hepatitis C virus infection.