Calcium+Calcitriol Versus PTH for the Prevention of Hypocalcemia in Thyroidectomy. Randomized Clinical Trial
Centro de Excelencia en Enfermedades de Cabeza y Cuello
Centro de Excelencia en Enfermedades de Cabeza y Cuello
Roswell Park Cancer Institute
Coordinación de Investigación en Salud, Mexico
University of Michigan
Odense University Hospital
Colotech A/S
Children's Hospital Los Angeles
Canadian Cancer Trials Group
Creighton University
Damascus University
Ewha Womans University Mokdong Hospital
University of Washington
St. Jude Children's Research Hospital
Dartmouth-Hitchcock Medical Center
University of Minnesota
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Georgetown University
Texas Enterosorbents Incorporated
Washington University School of Medicine
M.D. Anderson Cancer Center