Cherian SV, Kaur S, Karanth S, Xian JZ, Estrada-Y-Martin RM. Diagnostic yield of electromagnetic navigational bronchoscopy: a safety net community-based hospital experience in the United States. Ann Thorac Med. 2021 Jan;16(1):102-9. doi: 10.4103/atm.ATM_388_20
Fondell E, Balter O, Rothman KJ. Dietary intake and supplement use of vitamins C and E and upper respiratory tract infection. J Am Coll Nutr. 2011 Aug 1;30(4):248-58.