Eccles R (2006). ”Efficacy and safety of over-the-counter analgesics in the treatment of common cold and flu”. Journal of Clinical Pharmacy and Therapeutics 31 (4): sid. 309–319. doi:10.1111/j.1365-2710.2006.00754.x. PMID 16882099.
Palmenberg, A. C.; Spiro, D; Kuzmickas, R; Wang, S; Djikeng, A; Rathe, JA; Fraser-Liggett, CM; Liggett, SB (2009). ”Sequencing and Analyses of All Known Human Rhinovirus Genomes Reveals Structure and Evolution”. Science 324 (5923): sid. 55–9. doi:10.1126/science.1165557. PMID 19213880.
Mourtzoukou, EG; Falagas, ME (2007 Sep). ”Exposure to cold and respiratory tract infections.”. The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease 11 (9): sid. 938–43. PMID 17705968.
Eccles R (2006). ”Efficacy and safety of over-the-counter analgesics in the treatment of common cold and flu”. Journal of Clinical Pharmacy and Therapeutics 31 (4): sid. 309–319. doi:10.1111/j.1365-2710.2006.00754.x. PMID 16882099.