
Keywords: کلستاز نوزادان; neonatal cholestasis; ABCC2; MRP2; black liver; molecular genetic analysis; ABCC2; ATP-binding cassette sub-family C member 2; BSEP; Bile salt export pump; D Bil; Direct bilirubin; GGT; γ-glutamyltransferase; MRP2; Multidrug resistance-associated protein