title: [A population-biochemical study of mentally retarded persons in the Tula region (a geneologic analysis of families of probands with hereditary metabolic defects)].
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000150:complications / Q000235:genetics*; D005998:Glycine; D006712:Homocystinuria / Q000235:genetics; D006801:Humans; D007178:Inbreeding; D008607:Intellectual Disability / Q000209:etiology; D010375:Pedigree; D010661:Phenylketonurias / Q000235:genetics; D012426:Russia
chemical_list: D005998:Glycine
vernacular_title: Populiatsionno-biokhimicheskoe issledovanie umstvennootstalhkh lits Tul'skoĭ oblasti (genealogicheskiĭ analiz semeĭ probandov s nasledstvennymi defektami obmena)