Vitamin C Fact Sheet for Health Professionals by NIH
= Vitamin C Fact Sheet for Health Professionals by NIH
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https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/
Office of Dietary Supplements, National Institutes of Health. Cited sections: Introduction, Vitamin C Deficiency and Food Sources. Used for the present-day explanation of dietary requirement, collagen synthesis and scurvy.