CITATIONS

Term: croup
Http://: http://www.nlm.nih.gov/medlineplus/ency/article/000959.htm
Http://: http://books.google.com/books?id=G6k0tpPMRsIC&pg=PA254&lpg=PA254&dq#v=onepage&q=&f=false
Http://: http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=croup