title: False-negative margins.
authors.forename: P
authors.initials: P
authors.lastname: Hirsch
mesh_terms: D002280:Basal Cell Carcinoma / Q000175:diagnosis / Q000601:surgery*; D005188:False Negative Reactions; D005629:Frozen Sections; D006801:Humans; D008866:Microsurgery; D012878:Skin Neoplasms / Q000175:diagnosis / Q000601:surgery*