Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency
Mayo Clinic
Mayo Clinic
University of Nebraska
University of Rochester
St. Petersburg State Pavlov Medical University
Case Comprehensive Cancer Center
Coordinación de Investigación en Salud, Mexico
Tehran University of Medical Sciences
Phoenix Children's Hospital
Semmelweis University
Loyola University
Wake Forest University Health Sciences
Wake Forest University Health Sciences
Seoul National University Hospital
University of Minnesota
Roswell Park Cancer Institute