title: [Main trends and perspectives in the study of oligophrenia].
mesh_terms: D000015:Abnormalities, Multiple / Q000175:diagnosis; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D003582:Cytogenetics; D004314:Down Syndrome / Q000150:complications; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology; D007621:Karyotyping; D008403:Mass Screening; D008661:Metabolism, Inborn Errors / Q000150:complications; D012729:Sex Chromosome Aberrations; D014314:Trisomy
vernacular_title: Osnovnye napravleniia i perspektivy izucheniia oligofrenii.