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
Fondazione Italiana Linfomi - ETS
Tehran University of Medical Sciences
University of Ulster
Phoenix Children's Hospital
Semmelweis University
University of Minnesota