Elberse, KEMTcherniaeva, IBerbers, GAMSchouls, LM2025-03-202025-03-2020102013012910.1128/CVI.00408-09https://rivm.openrepository.com/handle/10029/644621Optimization and application of a multiplex bead-based assay to quantify serotype-specific IgG against Streptococcus pneumoniae polysaccharides: response to the booster vaccine after immunization with the pneumococcal 7-valent conjugate vaccineArticleClin Vaccine Immunol 2010; 17(4):674-822025-03-20