title: DTP in low income countries: improved child survival or survival bias?
authors.forename: Henrik
authors.initials: H
authors.lastname: Jensen
authors.forename: Christine S
authors.initials: CS
authors.lastname: Benn
authors.forename: Peter
authors.initials: P
authors.lastname: Aaby
mesh_terms: D001500:BCG Vaccine; D015982:Bias; D003906:Developing Countries; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D006801:Humans; D007182:Income; D012307:Risk Factors; D016019:Survival Analysis; D014611:Vaccination / Q000401:mortality*
chemical_list: D001500:BCG Vaccine; D015721:Diphtheria-Tetanus-Pertussis Vaccine