The quarterly journal of nuclear medicine : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR)
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Multicenter Study Clinical Trial
Radionuclide therapy for painful bone metastases. An Italian multicentre observational study. Writing Committee of an Ad Hoc Study Group.
It has been affirmed that observational studies give analogous results to randomised controlled ones. ⋯ Bearing in mind that observational studies can provide just as accurate results as randomised controlled trials, this study confirms the main findings of various limited monocentre trials.