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Pneumococcal infections and sickle cell disease in Africa: does absence of evidence imply evidence of absence?
- Correspondence to Dr S Obaro, Division of Pediatric Infectious Diseases, Department of Pediatrics and Human Development, Michigan State University, East Lansing, MI 48824, USA; stephen.obaro{at}hc.msu.edu
Citation
Pneumococcal infections and sickle cell disease in Africa: does absence of evidence imply evidence of absence?
Publication history
- Accepted April 18, 2009
- First published May 3, 2009.
Online issue publication
March 22, 2016
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BMJ Publishing Group Ltdand Royal College of Paediatrics and Child Health.