[Changes in the internal sphincter in anal fissures].
D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000473:pathology*; D005260:Female; D005401:Fissure in Ano / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged
Izmeneniia vnutrennego sfinktera pri anal'nykh treshchinakh.