Serotype distribution and antibiotic resistance of Streptococcus pneumoniae isolates collected from unvaccinated children with pneumonia at a province in central Vietnam - Son, Bui; Hai, Tang; Cuong, Tran; Chinh, Duong; Le, Thi-Hong-Hanh; Dung, Nguyen; Dinh, Vu; Anh, Do (Iranian Journal of Microbiology, 2022)