Nga DT, Chuong NH, Quan TK, Thuy Duong HH. Point mutation analysis of the PBP2B (penicillin binding protein) gene in penicillin resistant Streptococcus pneumoniae strains. AJB [Internet]. 2015 Aug. 29 [cited 2025 Sep. 30];25(1):51-4. Available from: https://ajb.vast.vn/vjbio/article/view/6801