Arif, Fizzah. “UPDATED RECOMMENDATIONS OF RCOG ON PREVENTION OF EARLY ONSET NEONATAL GROUP B STREPTOCOCCUS INFECTION”. Journal of Ayub Medical College Abbottabad, vol. 30, no. 3, Sept. 2018, p. 489, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3706.