title: Presidential address: the gatekeepers.
authors.affiliation: Department of Surgery, Loyola University Medical Center, Maywood, Ill 60153.
authors.forename: E
authors.initials: E
authors.lastname: Paloyan
mesh_terms: D004700:Endocrine System Diseases / Q000601:surgery*; D004704:Endocrinology / Q000193:education* / Q000639:trends; D006801:Humans; D007396:Internship and Residency; D008511:Medicine; D008962:Models, Theoretical; D013038:Specialization