title: [Problems of the clinical classification of cataracts].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002386:Cataract / Q000145:classification* / Q000209:etiology; D006801:Humans; D008875:Middle Aged
vernacular_title: K voprosu o klinicheskoĭ klassifikatsii katarakt.