title: Lesson of the week: when "NAI" means not actually injured.
authors.affiliation: Department of Paediatrics, Antrim Hospital, 45 Bush Road, Antrim BT41 2RL.
authors.forename: C
authors.initials: C
authors.lastname: Mayes
authors.forename: C
authors.initials: C
authors.lastname: Macleod
mesh_terms: D002649:Child Abuse / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D008297:Male; D009508:Nevus, Pigmented / Q000151:congenital / Q000175:diagnosis*