“PREVALENCE STUDY OF GROUP A STREPTOCOCCI AND ITS ANTIMICROBIAL SENSITIVITY PATTERN IN UPPER RESPIRATORY TRACT INFECTIONS OF ALL AGE GROUPS IN A TERTIARY HEALTH CARE CENTRE IN CHENGALPET DISTRICT”. Journal of Pharmaceutical Negative Results, Oct. 2022, pp. 2051-9, https://doi.org/10.47750/pnr.2022.13.S01.241.