Cheikh Anta Diop University of Dakar;
Dakar;
Senegal;
Aristide Le Dantec Hospital;
Joliot Curie Institute of Cancer;
Dakar;
Senegal;
Nuclear Radiation Protection and Safety Authority;
Dakar;
Senegal;
Entrance Surface Dose; Diagnostic Radiology; Dose Area Product; Optimization; X-Rays;