title: Pancreaticobiliary tract cytology: Journey toward "Bethesda" style guidelines from the Papanicolaou Society of Cytopathology.
authors: Address: Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, USA.
authors: Lester James
authors: LJ
authors: Layfield
authors: Department of Pathology and Anatomical Sciences, Harvard Medical School and Massachusetts General Hospital, Boston, MA, USA.
authors: Martha Bishop
authors: MB
authors: Pitman
authors: Department of Pathology and Anatomical Sciences, University of Chicago, Chicago, IL, USA.
authors: Richard M
authors: RM
authors: DeMay
authors: Department of Pathology and Anatomical Sciences, Wayne State University School of Medicine, DMC, and Karmanos Cancer Center, Detroit, MI, USA.
authors: Vinod B
authors: VB
authors: Shidham