title: Enzyme-deficiency variants: frequency and potential significance in human populations.
mesh_terms: D000483:Alleles; D000818:Animals; D003365:Costs and Cost Analysis; D004798:Enzymes / Q000172:deficiency* / Q000235:genetics; D004912:Erythrocytes / Q000201:enzymology; D005787:Gene Frequency; D005808:Genes, Recessive; D014644:Genetic Variation; D005828:Genetics, Population; D006801:Humans; D007231:Infant, Newborn; D008403:Mass Screening; D009154:Mutation
chemical_list: D004798:Enzymes