Short and long-term immunogenicity and safety following the 23-valent polysaccharide pneumococcal vaccine in juvenile idiopathic arthritis patients under conventional DMARDs with or without anti-TNF therapy - Aikawa, Nadia E.; França, Ivan L. A.; Ribeiro, Ana C.; Sallum, Adriana M. E.; Bonfá, Eloisa; Silva, Clovis A. (Vaccine, 2015)