Fuentes-Ferrer ME., Cano-Escudero S., Mato-Chaín G., Mariano-Lázaro A., Fereres-Castiel J. [Vaccination coverage against Streptococcus pneumoniae in splenectomized patients in a fourth-level hospital (1999-2004).]. „Enferm Infecc Microbiol Clin”. 4 (26), s. 194-8, kwiecień 2008. PMID: 18381038.
Konradsen HB., Rasmussen C., Ejstrud P., Hansen JB. Antibody levels against Streptococcus pneumoniae and Haemophilus influenzae type b in a population of splenectomized individuals with varying vaccination status.. „Epidemiol Infect”. 2 (119), s. 167-74, październik 1997. PMID: 9363015.
