title: What works?
authors.forename: Chris
authors.initials: C
authors.lastname: Code
authors.forename: Brian
authors.initials: B
authors.lastname: Petheram
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D066298:In Vitro Techniques; D007808:Language Therapy / Q000266:history*; D013070:Speech Therapy / Q000266:history*