(2002). Allergens and viruses act together to exacerbate asthma. BMJ.
Chicago Style CitationAllergens and Viruses Act Together to Exacerbate Asthma. BMJ, 2002.
MLA CitationAllergens and Viruses Act Together to Exacerbate Asthma. BMJ, 2002.
Warning: These citations may not always be 100% accurate.