1. Even small supplemental amounts of vitamin C can keep severely ill patients from dying;Hunt;Int. J. Vitam. Nutr. Res.,1994
2. Infants with viral pneumonia treated with vitamin C had reduced mortality;Shiguang;Hebei Med.,1978
3. 17,000 mg/day vitamin C given intravenously shortened intensive care unit stay by 44%;Hemilä;Nutrients,2019
4. 200 mg of vitamin C reduced duration of severe pneumonia in children. Oxygen saturation was improved in less than one day;Khan;J. Rawalpindi Med. Coll. (JRMC),2014
5. Inactivation of poliomyelitis virus by crystalline vitamin C (ascorbic acid);Jungeblut;J. Exp. Med.,1935