1. Sanu, A, Eccles, R. The effects of a hot drink on nasal air flow and symptoms of common cold and flu. Rhinology. 2008; 46(4):271-5. http://www.ncbi.nlm.nih.gov/pubmed/19145994 Accessed September 4, 2015
2. Eccles R., Weber O., Editors. Common Cold. Birkäuser Advances in Infectious Disease Series. Series Editors: Schmidt, A., Weber, O., Kaufmann, S.H.E. Ch: Etiology of the common cold: Modulating Factors by Doyle, W., Cohen, S. p. 159, 2009 Birkäuser Verlag, Basel/Switzerland. http://english.360elib.com/datu/R/EM388443.pdf Accessed September 4, 2015.
3. Centers for Disease Control and Prevention. Preventing the flu. Good habits can help stop germs. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/protect/habits.htm Published July 31, 2015. Accessed September 4, 2015.
4. National Heart, Lung and Blood Institute. What is a cough? National Heart, Lung and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/cough Published date October 1, 2010. Accessed date September 4, 2015.
5. Eccles, R., Menthol: Effects on Nasal Sensation of Airflow and the Drive to Breathe. Curr Allergy Asthma Rep, May 2003; 3(3): 210-4.
6. Eccles, R., Fietze, I. and Rose, U.-B. (2014) Rationale for Treatment of Common Cold and Flu with Multi-Ingredient Combination Products for Multi-Symptom Relief in Adults. Open Journal of Respiratory Diseases, 4, 73-82. http://dx.doi.org/10.4236/ojrd.2014.43011
7. Centers for Disease Control and Prevention. Key Facts About Influenza (Flu) & Flu Vaccine. http://www.cdc.gov/flu/keyfacts.htm. Published date 8/7/15. Accessed date 9/24/15.
8. Mayo Clinic. Fever Symptoms. Available at http://www.mayoclinic.org/diseases-conditions/fever/basics/symptoms/con-20019229 Published May 29, 2014. Accessed September 3, 2015.
9. Mosby. Mosby's Medical Dictionary, 8th edition. © 2009, Elsevier.
10. Medline Plus. Sneezing. Medline Plus. http://www.nlm.nih.gov/medlineplus/ency/article/003060.htm Updated May 16, 2014. Accessed September 9, 2015.
11. Centers for Disease Control and Prevention. Get Smart: Know When Antibiotics Work. Symptom Relief. Available at: http://www.cdc.gov/getsmart/community/for-patients/symptom-relief.html Published April 17, 2015. Accessed September 25, 2015.
12. Eccles R. Understanding the symptoms of the common cold and influenza. Lancet Infect Dis. 2005;5:718–725.
13. Centers for Disease Control and Prevention. Information on Swine Influenza/Varient Influenza Viruses. 2012. Available at: http://www.cdc.gov/flu/swineflu/index.htm. Accessed February 9, 2012.
14. Kuszewski K, et al. The epidemiology and history of influenza. Biomed & Pharmacother. 2000;54:188–195.
15. Salomon R, Webster RG. The influenza virus enigma. Cell. 2009;136(3):402–410.
16. Proença–Módena JL, Santos Macedo IS, and Arruda E. H5N1 avian influenza virus: an overview. Braz J Infect Dis. 2007;11(1):125–133.
17. Centers for Disease Control: ''Symptom Relief.'' American Academy of Family Physicians: ''Colds and the Flu.'' Charles B. Inlander, author, 77 Ways to Beat Cold and Flu.
18. Centers for Disease Control and Prevention. Seasonal Flu; The Flu: Caring for Someone Sick at Home. 2010b. Available at: http://www.cdc.gov/flu/homecare/index.htm. Accessed January 30, 2012.
19. Mayo Clinic. Fever. 2011. Available at: http://www.mayoclinic.com/health/fever/DS00077. Accessed March 21, 2012.
20. Mayo Clinic. Dextromethorphan (Oral Route). Available at: http://www.mayoclinic.org/drugs-supplements/dextromethorphan-oral-route/description/drg-20068661 Updated September 1, 2010. Accessed September 30, 2015.
21. Centers for Disease Control and Prevention. Common Colds: Protect Yourself and Others. Available at: http://www.cdc.gov/features/rhinoviruses/ Updated February 27, 2015. Accessed September 29, 2015.
22. Mayo Clinic. Common Cold. Available at: http://www.mayoclinic.org/diseases-conditions/common-cold/basics/causes/con-20019062 Published April 17, 2013. Accessed September 29, 2015.
23. Centers for Disease Control and Prevention. Key Facts About Influenza (Flu) & Flu Vaccine. Available at: http://www.cdc.gov/flu/keyfacts.htm Updated August 7, 2015. Accessed September 29, 2015.
24. American Lung Association. Facts About the Common Cold. Available at: http://www.lung.org/lung-disease/influenza/in-depth-resources/facts-about-the-common-cold.html Accessed September 29, 2015.
25. National Institute of Allergy and Infectious Diseases, US Department of Health & Human Services & National Institutes of Health. Common Cold; Treatment. 2011a. Available at: http://www.niaid.nih.gov/topics/commoncold/pages/treatment.aspx. Accessed January 15, 2012.
26. Heikkinen T, Jarvinen A. The common cold. Lancet. 2003;361(9351):51–59.
27. Centers for Disease Control and Prevention. Seasonal Flu; Types of Influenza Virus. 2011g. Available at: http://www.cdc.gov/flu/about/viruses/types.htm. Accessed January 26, 2012.
28. National Institute of Allergy and Infectious Diseases. Flu (Influenza) Cause. Available at: http://www.niaid.nih.gov/topics/Flu/understandingFlu/Pages/cause.aspx Updated November 16, 2012. Accessed September 30, 2015.
29. Centers for Disease Control and Prevention. How Flu Spread. Available at: http://www.cdc.gov/flu/about/disease/spread.htm Updated September 12, 2013. Accessed September 30, 2015 .
31. Centers for Disease Control and Prevention. Seasonal Influenza: Flu Basics. Available at: http://www.cdc.gov/flu/about/disease/index.htm Updated August 25, 2015. Accessed September 30, 2015.
32. Songu M, Cingi C. Sneeze reflex: facts and fiction. Therapeutic Advances in Respiratory Disease. 2009;3(3):131–141.
33. Tang JW, Li Y, Eames I, Chan PKS, Ridgway GL. Factors involved in the aerosol transmission of infection and control of ventilation in healthcare premises. Journal of Hospital Infection. 2006;64:100– .
34. WebMD. 11 Surprising Sneezing Facts. http://www.webmd.com/allergies/features/11-surprising-sneezing-facts Published January 11, 2010. Accessed September 3, 2015.
35. National Heart, Lung and Blood Institute. What is cough? Available at: http://www.niaid.nih.gov/topics/Flu/understandingFlu/Pages/cause.aspx. Published October 1, 2010. Accessed September 30, 2015 .
36. Mayo Clinic. Cough: Causes. Available at: http://www.mayoclinic.org/symptoms/cough/basics/causes/sym-20050846 Published May 24, 2013. Accessed September 30, 2015 .
37. Mayo Clinic. Nasal Congestion. Available at: http://www.mayoclinic.org/symptoms/nasal-congestion/basics/when-to-see-doctor/sym-20050644 Published March 27, 2013. Accessed October 27, 2015 .
38. National Sleep Foundation. Healthy Sleep Tips. https://sleepfoundation.org/sleep-tools-tips/healthy-sleep-tips. Accessed January 14, 2016.
39. Vgontzas AN, Zoumakis E, Bixler EO, et al. Adverse effects of modest sleep restriction on sleepiness, performance and inflammatory cytokines. J Clin Endocrinol Metab. 2004;89(5):2119- 2126. . Accessed March 15, 2012.
40. Your Guide to Healthy Sleep. National Heart Lung and Blood Institute Website. Accessed October 26, 2011.
41. Carskadon MA, Dement WC. Normal human sleep. In: Kryger M, Roth T, Dement W, eds. Principles and Practice of Sleep Medicine. 5th ed. Philadelphia, PA: Saun- ders/Elsevier, 2011: 16-26.
43. Bliwise D. Normal aging. In: Kryger M, Roth T, Dement W, eds. Principles and Practice of Sleep Medicine. 5th ed. Philadelphia, PA: Saunders/Elsevier, 2011: 27-41.
44. Diphenhydramine. Marketing status as a nighttime sleep-aid drug product for over-the-counter human use; Notice of enforcement policy. Federal Register. 1982. Vol 47, No 79, 23 April 1982, p. 17741. http://www.fda.gov/Drugs/DevelopmentApprovalProcess/DevelopmentResources/Over-the-CounterOTC-Drugs/StatusofOTCRulemakings/ucm071897.htm.
45. US Code of Federal Regulation. 21 CFR 338-- Nighttime sleep-aid drug products for over-the-counter human use. February 14, 1989.
46. Babe K, Serafin W. Histamine, bradykinin and their antagonists. In: Goodman & Gilman’s Pharmacological Basis of Therapeutics. 9th ed. Brunton L, ed. Ch 25: 581.
47. McGinty D, Szymusiak R. Neural control of sleep in mammals. In: Kryger M, Roth T, Dement W, eds. Principles and Practice of Sleep Medicine. 5th ed. Philadelphia, PA: Saunders/Elsevier, 2011: 76-91.
48. Porter, G. Paranasal Sinus Anatomy and Function, January 2002.
49. Johns Hopkins Medicine. Sinusitis. http://www.hopkinsmedicine.org/healthlibrary/conditions/adult/otolaryngology/sinusitis_85,p00464/. Publish date: Unknown. Accessed May 18, 2016.
50. Mayo Clinic. Chronic Sinusitis. http://www.mayoclinic.org/diseases-conditions/chronic-sinusitis/basics/lifestyle-home-remedies/con-20022039 Published July 2, 2013. Accessed May 19, 2016.
51. Tammemagi, C.M. Archives of Otolaryngology and Head and Neck Surgery, April 2010; vol 136: pp 327-334.