Angular cheilitis--a bacterial infection.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001424:Bacterial Infections / Q000382:microbiology*; D002613:Cheilitis / Q000209:etiology / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged