Carrico J, Mellott CE, Talbird SE, Bento-Abreu A, Merckx B, Vandenhaute J, Benchabane D, Dauby N, Ethgen O, Lepage P, Luyten J, Raes M, Simoens S, Van Ranst M, Eiden A, Nyaku MK, Bencina G. Public health impact and return on investment of Belgium's pediatric immunization program. Front Public Health. 2023 Jun 22;11:1032385. doi: 10.3389/fpubh.2023.1032385
McKenna SP, Doward LC. How should we measure quality of life in ankylosing spondylitis? Rheumatol Pract. 2008;6(2):12-4.