Creating a nationwide cancer registration system to support AIDS-cancer match studies in Nigeria by Adebamowo Clement, Jedy-Agba Elima, Oga Emmanuel, Osinubi Peju, Igbinoba Festus, Osubor Gloria, Otu Theresa, Kumai Henry, Okobia Michael, Ejiroghene Prince, Mayun Ahmed, Abdulazeez James, Erinomo O, Ojo Adebayo, Uka Cornelius, Oyeoka Gloria