title: Quadrivial pursuits.
authors.affiliation: George Mason University, Fairfax, Va.
authors.forename: H J
authors.initials: HJ
authors.lastname: Morowitz
mesh_terms: D003479:Curriculum / Q000639:trends*; D004501:Education, Medical / Q000639:trends*; D008511:Medicine / Q000639:trends; D013038:Specialization