Farhat, Farhat, Ear, Nose, Throat, Head and Neck Department, Faculty of Medicine, Universitas Sumatera Utara/Haji Adam Malik Hospital, Jl. Dr. Mansyur No.5, Medan 20155, Indonesia

• Vol 13, No 4 (2021) - Research Article
  Serumal and Salivary 25(OH)D and 1,25(OH)D Levels of Head and Neck Cancer Patients
  Abstract  PDF

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The Prodia Education and Research Institute