Fluorine-18 deoxyglucose Positron Emission Tomography, Magnetic Resonance Imaging and Bone Scintigraphy for the Diagnosis of Bone Metastases in Patients with Lung Cancer: Which One is the Best? – a Meta-analysis - Liu, Tao; Xu, Jun-Ying; Xu, Wen; Bai, Yong-Rui; Yan, Wei-Li; Yang, Hui-Lin (Clinical Oncology, 2011)