Xie J, Juliao PC, Gilsdorf JR, Ghosh D, Patel M, Marrs CF. Identification of new genetic regions more prevalent in nontypeable haemophilus influenzae otitis media strains than in throat strains. J Clin Microbiol. 2006 Dec;44(12):4316-25. doi: 10.1128/JCM.01331-06
Pring CM, Skelding-Millar L, Goodall RJ. Expectant treatment or cholecystectomy after endoscopic retrograde cholangiopancreatography for choledocholithiasis in patients over 80 years old? Surg Endosc. 2005 Mar;19(3):357-60.