https://www.nigeriahealthonline.com/tag/alhaji-sulu-gambari/
Alhaji Sulu-Gambari Archives - Nigeria Health Online
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https://persecondnews.com/2020/05/13/prof-gambari-inaugurated-as-chief-of-staff-assumes-duty-in-aso-rock/
Prof Gambari inaugurated as Chief of Staff, assumes duty in Aso Rock | Per Second News
May 13, 2020 - Newly-appointed Chief of Staff to President Muhammadu Buhari, Prof. Ibrahim Agboola Gambari, on Wednesday assumed duties at the Presidential Villa, Abuja....