Benamrouche, Nabila, Hassiba Tali Maamar, Malika Lazri, Sonia Hasnaoui, Abdelkarim Radoui, Ourida Lafer, Rachida Boukari, Chawki Kaddache, Zakia Arrada, and Kheira Rahal. “Pertussis in North-Central and Northwestern Regions of Algeria”. The Journal of Infection in Developing Countries 10, no. 11 (November 24, 2016): 1191-1199. Accessed November 14, 2019. https://jidc.org/index.php/journal/article/view/27886031.