Uthman, O. A., Okwundu, C. I., Wiysonge, C. S., Young, T., & Clarke, A. (2013). Citation Classics in Systematic Reviews and Meta-Analyses: Who Wrote the Top 100 Most Cited Articles? Public Library of Science.

Uthman, Olalekan A., Charles I. Okwundu, Charles S. Wiysonge, Taryn Young, und Aileen Clarke. Citation Classics in Systematic Reviews and Meta-Analyses: Who Wrote the Top 100 Most Cited Articles? Public Library of Science, 2013.

Uthman, Olalekan A., et al. Citation Classics in Systematic Reviews and Meta-Analyses: Who Wrote the Top 100 Most Cited Articles? Public Library of Science, 2013.