1. Use and abuse of ascorbic acid — A review;Hughes;Food Chem,1977
2. Risk of long-term ascorbic acid overdosage;Rhead;Nutr. Rev.,1971
3. Blood plasma L-ascorbic acid concentration for oral L-ascorbic acid dosage up to 12 grams per day;Harris;IRCS,1973
4. Ascorbic acid and common colds;Spero;British Med. J.,1973