Autore
Institute of Management & Administration
3
Statistics Canada
2
American Geophysical Union
1
American Management Association
1
Bureau of National Affairs (Arlington, Va.)
1
European Association for Endoscopic Surgery
1
European Foundation for Osteoporosis
1
Federation of European Biochemical Societies
1
International Osteoporosis Foundation
1
International Society for Oncology and Biomarkers
1
Israel Society of Colon and Rectal Surgery
1
Massachusetts Medical Society
1
Mediterranean Society of Coloproctology
1
NEJM Group
1
National Osteoporosis Foundation
1
National Underwriter Company
1
North-Northeastern Society of Coloproctology (Brazil)
1
Ovid Technologies, Inc
1
Project Hope
1
S. Karger (Firm)
1
Sociedad Mexicana de Coloproctología
1
Società Italiana di Chirurgia Colo-Rettale
1
Society of American Gastrointestinal Endoscopic Surgeons
1
Society of Colorectal Surgeons (Singapore)
1