Shaheen, S., Chaudhry, F., Ali, S., Shaheen, R., Naeem, S., Malik, A. J., & 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), 300-303. https://doi.org/10.29054/apmc/2019.796