Sharma, A., Agarwal, S., Bala, K. and Chaudhary, U. 2017. Seroprevalence of antistreptolysin O antibodies in a tertiary health care centre in Haryana, India: a three year retrospective study. International Journal of Research in Medical Sciences. 4, 7 (Jan. 2017), 2636–2638. DOI:https://doi.org/10.18203/2320-6012.ijrms20161923.