@article{P.2012a,
author = {P., Aaby and C., Benin and J., Nielsen and IM., Lisse and A., Rodrigues and H., Ravn},
title= {Testing the hypothesis that diphtheria–tetanus–pertussis vaccine has negative non-specific and sex-differential effects on child survival in high-mortality countries},
year = {2012a},
journal = {BMJ Open},
volume = {2},
number = {3},
pages = {e000707},
}