For full functionality, including active links, we recommend downloading the PDF. Certain interactive features may not operate within the embedded viewer.
Download this PDF file

 

Crossref Citations

1. The seroprevalence ofBordetella pertussisantibodies in adolescents in the Western Cape
M.A. Rensburg, M. Esser, C de Beer
Southern African Journal of Epidemiology and Infection  vol: 28  issue: 4  first page: 202  year: 2013  
doi: 10.1080/10158782.2013.11441551