TY - JOUR A1 - P., Aaby A1 - C., Benin A1 - J., Nielsen A1 - IM., Lisse A1 - A., Rodrigues A1 - H., Ravn T1 - Testing the hypothesis that diphtheria–tetanus–pertussis vaccine has negative non-specific and sex-differential effects on child survival in high-mortality countries Y1 - 2012a JF - BMJ Open VL - 2 IS - 3 ER -