[On the etiology of dystrophia unguium mediana canaliformis Heller].
D000328:Adult; D000368:Aged; D001284:Atrophy / Q000209:etiology; D002648:Child; D006801:Humans; D008875:Middle Aged; D009262:Nails
K etiologii dystrophia unguium mediana canaliformis Heller.