title: A rare case of porokeratosis ptychotropica and coexistent linear porokeratosis in a 10-year-old boy.
authors.forename: S B
authors.initials: SB
authors.lastname: Verma
mesh_terms: D001706:Biopsy; D002648:Child; D006801:Humans; D008297:Male; D017499:Porokeratosis / Q000473:pathology*; D012867:Skin / Q000473:pathology