Real-time intraprocedural 18F-FDG PET/CT-guided biopsy using automated robopsy arm (ARA) in the diagnostic evaluation of thoracic lesions with prior inconclusive biopsy results: initial experience from a tertiary health care centre - Radhakrishnan, R K; Mittal, B R; Gorla, A KR (Br J Radiol, 2017)