title: Site qualification in multicenter clinical trials.
authors: SNM Clinical Trials Network, USA.
authors: Alexander Sandy J B
authors: AS
authors: McEwan
authors: Michael M
authors: MM
authors: Graham
authors: Peter S
authors: PS
authors: Conti
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003952:Diagnostic Imaging / Q000592:standards*; D015337:Multicenter Studies as Topic / Q000592:standards*; D017410:Practice Guidelines as Topic; D014481:United States