label: Reduced heparan-alpha-glucosaminide N-acetyltransferase activity in cultured fibroblasts
label_lc: reduced heparan-alpha-glucosaminide n-acetyltransferase activity in cultured fibroblasts
description: "Concentration or activity of N-sulfoglucosamine sulfohydrolase as measured in cultured fibroblasts is below the limits of normal."