title: What is dermatosis papularis nigra?
authors.forename: R
authors.initials: R
authors.lastname: Graham
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D044466:Asian People; D044383:Black People; D005148:Facial Dermatoses / Q000175:diagnosis* / Q000208:ethnology / Q000601:surgery; D006801:Humans; D007642:Keratosis / Q000175:diagnosis* / Q000208:ethnology / Q000601:surgery; D008875:Middle Aged