title: Letter: Gene frequency of sucrase-isomaltase deficiency.
mesh_terms: D002239:Carbohydrate Metabolism, Inborn Errors / Q000235:genetics*; D005787:Gene Frequency; D006026:Glycoside Hydrolases / Q000172:deficiency*; D006801:Humans; D009844:Oligosaccharides; D013393:Sucrase / Q000172:deficiency*
chemical_list: D009844:Oligosaccharides; D006026:Glycoside Hydrolases; D013393:Sucrase