Rampersadh, K. et al. 2025. Penicillin remains an effective agent against Group A Streptococcus in low- and middle-income countries: A systematic review and meta-analysis of antibiotic resistance and associated genes. South African Medical Journal. 115, 7 (Aug. 2025), e2837. DOI:https://doi.org/10.7196/SAMJ.2025.v115i7.2837.