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Open Access Research article

A bibliometric analysis of childhood immunization research productivity in Africa since the onset of the Expanded Program on Immunization in 1974

Charles S Wiysonge12*, Olalekan A Uthman34, Peter M Ndumbe5 and Gregory D Hussey12

Author Affiliations

1 Vaccines for Africa Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Anzio Road Observatory, Cape Town 7925, South Africa

2 Division of Medical Microbiology, Department of Clinical Laboratory Sciences, University of Cape Town, Anzio Road Observatory, Cape Town 7925, South Africa

3 Centre for Applied Health Research and Delivery, University of Warwick, Warwick Medical School, Gibbet Hill Rd, Coventry, CV4 7AL, UK

4 International Health Group, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK

5 Research, Publications and Library Services/Health Systems and Services Cluster, WHO Regional Office for Africa, PO Box 6, Djoue-Brazzaville, Congo

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BMC Medicine 2013, 11:66  doi:10.1186/1741-7015-11-66

Published: 14 March 2013

Additional files

Additional file 1:

Comparison of models for goodness-of-fit. In this additional file we describe the tests we conducted to investigate which regression model provides the best fit for the empirical publication data on childhood immunization research volume from Africa, including probability distributions and Bayesian Information Criterion.

Format: DOC Size: 2.2MB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data