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  Indian J Med Microbiol
 

Figure 2: "Alphabet P sign" formed by acoustic shadow of hyoid bone (HY), swollen epiglottis (pointed by white arrows). From Hung TY et al. Am J Emerg Med. 2011; 29:359.e1-3. Epub 2010 Aug 1

Figure 2: et al. Am J Emerg Med. 2011; 29:359.e1-3. Epub 2010 Aug 1">