title: Laboratory methods and quality control in the Toronto Tay-Sachs program.
mesh_terms: D001322:Autoanalysis; D005260:Female; D005820:Genetic Testing / Q000379:methods* / Q000592:standards; D006579:Heterozygote; D006596:Hexosaminidases / Q000097:blood; D006801:Humans; D008064:Lipidoses / Q000201:enzymology / Q000517:prevention & control*; D008297:Male; D009864:Ontario; D011786:Quality Control
chemical_list: D006596:Hexosaminidases