McKenna S, Doward LC. Measuring quality of life in ankylosing spondylitis. Best Pract Res Clin Rheumatol. 2008 Jan 1;6(2):12-4.
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