DOI:
10.1055/s-00025477
International Archives of Otorhinolaryngology
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References
World Health Organization.
Baccille Calmette Guérin vaccine. WHO vaccine-preventable diseases: monitoring system 2015 global summary.
http://apps.who.int/immunization_monitoring/globalsummary/timeseries/tscoveragebcg.html . Accessed March 10th , 2015
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