Ikeoluwapo O Ajayi , Catherine O Falade , Benjamin O Olley , Bidemi Yusuf , Sola Gbotosho , Toyin Iyiola , Omobola Olaniyan , Christian Happi , Kaendi Munguti and Franco Pagnoni
BMC Health Services Research 2008, 8:119doi:10.1186/1472-6963-8-119