Cöplü, N, C Sönmez, D Kurtoglu, and B Esen. “Seroprevalance of Bordetella Pertussis Antibodies Among Healthy Adolescent Girls in Edirne”. Swiss Medical Weekly 135, no. 3536 (September 10, 2005): 531–536. Accessed July 23, 2024. https://smw.ch/index.php/smw/article/view/525.