title: Defining pain: past, present, and future.
authors.affiliation: Department of Anaesthesia, Clinical Lead of the Paediatric Persistent Pain Management Service, Lady Cilento Children's Hospital, Brisbane, Queensland, Australia.
authors.forename: Mark Michael
authors.initials: MM
authors.lastname: Alcock
mesh_terms: D006801:Humans; D010146:Pain; D010147:Pain Measurement