Clustering and influencing factors of Streptococcus pneumoniae carriage among kindergarten children
WANG Xu-Lin, CEHN Min-Qi, LI Wen-Yu, FU Jin-Jian, YE Xiao-Hua
CJCP . 2021, (4): 363 -368 .  DOI: 10.7499/j.issn.1008-8830.2011078