Van quang, T., Minh Duy, P., Sy Huy, D., Hoang Chuong, N., & Thuy Duong, H. (2004). DETECTION OF POINT MUTATIONS ON PBP2X GENE OF SOME PENICILLIN RESISTANT STREPTOCOCCUS PNEUMONIAE STRAINS BY PCR-SSCP. Science and Technology Development Journal, 7(2), 42-46. https://doi.org/https://doi.org/10.32508/stdj.v7i2.3162