. . _:b666041670 . "10.1371/journal.pone.0102045" . _:b666041670 . "e102045" . . . . . . . . . "Public Library of Science (PLoS)" . . . . "Streptococcus pneumoniae in Saliva of Dutch Primary School Children" . . "9" . "2014-07-11"^^ . . . "10.1371/journal.pone.0102045" . . _:b666041670 . "10.1371/journal.pone.0102045" . _:b666041670 "2024-10-02T16:47:14.615434"^^ . . . . . _:b666041670 . . "9" . . . "e102045" . _:b666041670 . . . . . .