title: Why the association of subspecialty professors continues to thrive.
authors.affiliation: Department of Internal Medicine, Mayo Medical School, USA.
authors.forename: S T
authors.initials: ST
authors.lastname: Costa
authors.forename: R A
authors.initials: RA
authors.lastname: Rizza
mesh_terms: D005178:Faculty / Q000458:organization & administration*; D006801:Humans; D008511:Medicine / Q000458:organization & administration*; D012955:Societies, Medical / Q000458:organization & administration*; D013038:Specialization