title: Robert M. Zollinger, Sr., as a father, teacher, and mentor.
authors.affiliation: Case Western Reserve University, Cleveland, Ohio, USA.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Zollinger
authors.forename: E Christopher
authors.initials: EC
authors.lastname: Ellison
mesh_terms: D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008611:Mentors / Q000266:history*; D012955:Societies, Medical / Q000266:history*; D013663:Teaching / Q000266:history*; D014481:United States