Faaz Nassir AL-Saad, N. (2018) “Study of Some Virulence Factor and Detection of Sortase Enzymes A and Cov R/S of Streptococcus Agalactiae by PCR”, Al-Qadisiyah Journal of Pure Science, 23(2), pp. 90 - 97. doi: 10.29350/jops.2018.23.2.740.