title: A guide to important variables in PBL.
authors.forename: Charles
authors.initials: C
authors.lastname: Engel
mesh_terms: D003479:Curriculum; D004497:Education, Dental / Q000379:methods; D004501:Education, Medical / Q000379:methods*; D004520:Education, Veterinary / Q000379:methods; D017408:Guidelines as Topic; D006801:Humans; D018794:Problem-Based Learning / Q000592:standards*; D006113:United Kingdom