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Shim CS, Williams MH (May 1983). "Relationship of wheezing to the severity of obstruction in asthma". Archives of Internal Medicine. 143 (5): 890–892. doi:10.1001/archinte.143.5.890. PMID6679232.
Sengupta N, Sahidullah M, Saha G (August 2016). "Lung sound classification using cepstral-based statistical features". Computers in Biology and Medicine. 75 (1): 118–129. doi:10.1016/j.compbiomed.2016.05.013. PMID27286184.
Baughman RP, Loudon RG (November 1984). "Quantitation of wheezing in acute asthma". Chest. 86 (5): 718–722. doi:10.1378/chest.86.5.718. PMID6488909.
Pasterkamp H, Tal A, Leahy F, Fenton R, Chernick V (July 1985). "The effect of anticholinergic treatment on postexertional wheezing in asthma studied by phonopneumography and spirometry". The American Review of Respiratory Disease. 132 (1): 16–21. doi:10.1164/arrd.1985.132.1.16 (inactive 31 January 2024). PMID3160273.{{cite journal}}: CS1 maint: DOI inactive as of January 2024 (link)
Shim CS, Williams MH (May 1983). "Relationship of wheezing to the severity of obstruction in asthma". Archives of Internal Medicine. 143 (5): 890–892. doi:10.1001/archinte.143.5.890. PMID6679232.
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Simpson JA, Weiner ESC (eds). "stridor, n. 2." Oxford English Dictionary 2nd ed. Oxford: Clarendon Press, 1989. OED Online Oxford University Press. Accessed September 10, 2005. http://dictionary.oed.comArchived 2006-06-25 at the Wayback Machine.