title: Can physicians' contractual obligations limit their professional obligations?
authors.affiliation: Department of Obstetrics and Gynecology at Weill Medical College of Cornell University in New York City.
authors.forename: Frank A
authors.initials: FA
authors.lastname: Chervenak
authors.forename: Laurence B
authors.initials: LB
authors.lastname: McCullough
authors.forename: Robert J
authors.initials: RJ
authors.lastname: Walter