Vennemann, M. M. T.; Höffgen, M.; Bajanowski, T.; Hense, H.-W.; Mitchell, E. A. (21 June 2007). "Do immunisations reduce the risk for SIDS? A meta-analysis". Vaccine. 25 (26): 4875–4879. doi:10.1016/j.vaccine.2007.02.077. ISSN0264-410X. PMID17400342.
Vennemann, M. M. T.; Höffgen, M.; Bajanowski, T.; Hense, H.-W.; Mitchell, E. A. (21 June 2007). "Do immunisations reduce the risk for SIDS? A meta-analysis". Vaccine. 25 (26): 4875–4879. doi:10.1016/j.vaccine.2007.02.077. ISSN0264-410X. PMID17400342.
Pezzutti, Brian (11 April 2001). "Infectious Diseases Vaccination"(PDF). Hansard of the NSW Legislative Council: 13600. Archived from the original(PDF) on 3 March 2016. Retrieved 31 May 2010.
Pezzutti, Brian (11 April 2001). "Infectious Diseases Vaccination"(PDF). Hansard of the NSW Legislative Council: 13600. Archived from the original(PDF) on 3 March 2016. Retrieved 31 May 2010.
Vennemann, M. M. T.; Höffgen, M.; Bajanowski, T.; Hense, H.-W.; Mitchell, E. A. (21 June 2007). "Do immunisations reduce the risk for SIDS? A meta-analysis". Vaccine. 25 (26): 4875–4879. doi:10.1016/j.vaccine.2007.02.077. ISSN0264-410X. PMID17400342.