Vitamin D deficiency in head and neck cancer patients – prevalence, prognostic value and impact on immune function

Mechanisms of anti-cancer effects of ascorbate: Cytotoxic activity and epigenetic modulation

Immune Modulation by Vitamin D: Special Emphasis on Its Role in Prevention and Treatment of Cancer

High-dose intravenous vitamin C combined with cytotoxic chemotherapy in patients with advanced cancer: a phase I-II clinical trial

Parenteral ascorbate as a cancer therapeutic: a reassessment based on pharmacokinetics