Streptococcus pneumoniae as a frequent cause of severe community-acquired pneumonia among children in Beijing.
Hu
H
H
Department of Microbiology and Immunology, Beijing Children's Hospital Affiliated to Capital University of Medical Sciences, 56 Nan Lishi Road, Beijing 100045, People's Republic of China.
He
L
L
Yu
S
S
Yao
K
K
Dmitriev
A
A
Deng
J
J
Zhao
C
C
Shen
X
X
Yang
Y
Y