Shaheen, S., Chaudhry, F., Ali, S., Shaheen, R., Naeem, S., Malik, A.J. and Tufail, A. 2019. Frequency of Group B Streptococcal Infection in Pregnancy with Preterm Pre-Labour Rupture of Membrane. Annals of Punjab Medical College. 13, 4 (Dec. 2019), 300-303. DOI:https://doi.org/10.29054/apmc/2019.796.