title: Four millimetres: a variable measurement?
authors.forename: E M
authors.initials: EM
authors.lastname: Wain
authors.forename: C M
authors.initials: CM
authors.lastname: Stefanato
mesh_terms: D000505:Alopecia / Q000175:diagnosis*; D001706:Biopsy / Q000295:instrumentation; D006801:Humans; D018401:Sample Size; D013048:Specimen Handling / Q000592:standards*