title: Nail biopsy for melanonychia.
authors.affiliation: Department of Dermatology and Cutaneous Biology, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA 19107, USA. mdlee@mdlee.com
authors.forename: Michael D
authors.initials: MD
authors.lastname: Lee
authors.forename: Tatayna
authors.initials: T
authors.lastname: Humphreys
mesh_terms: D001706:Biopsy / Q000379:methods; D006488:Hemostasis, Surgical; D006801:Humans; D008545:Melanoma / Q000473:pathology; D009260:Nail Diseases / Q000473:pathology*; D010858:Pigmentation; D012878:Skin Neoplasms / Q000473:pathology