title: Expert tutors versus non-expert tutors in PBL.
authors.forename: M G
authors.initials: MG
authors.lastname: Camp
authors.forename: A S
authors.initials: AS
authors.lastname: Anderson
mesh_terms: D004501:Education, Medical; D004521:Educational Measurement; D006801:Humans; D013663:Teaching / Q000592:standards*; D013997:Time Factors