Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author=" Vermeulen, Francois" or (type any "bookEditor issueEditor" and editor=" Vermeulen, Franc... Add to list Journal Article A1 open access Fifth percentile cutoff values for antipneumococcal polysaccharide and anti-salmonella typhi Vi IgG describe a normal polysaccharide response Heidi Schaballie (UGent) , Barbara Bosch, Rik Schrijvers, Marijke Proesmans, Kris De Boeck, Mieke Nelly Boon, Francois Vermeulen, Natalie Lorent, Doreen Dillaerts, Glynis Frans, et al. (2017) FRONTIERS IN IMMUNOLOGY. 8.