title: Pain, anaesthesia, and babies.
mesh_terms: D000758:Anesthesia; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*; D010146:Pain / Q000503:physiopathology*
chemical_list: D002245:Carbon Dioxide