title: The corporate presence at oncology meetings.
authors.affiliation: Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710, USA. halperin@radonc.duke.edu
authors.forename: Edward C
authors.initials: EC
authors.lastname: Halperin
mesh_terms: D003226:Congresses as Topic; D037921:Gift Giving; D007400:Interprofessional Relations; D009369:Neoplasms; D012955:Societies, Medical