Empyema necessitans with osteomyelitis of fifth rib due to Nocardia farcinica: a case report - Swapnil Tripathi; Durga Shankar Meena; Amit Kumar Rohila; Neetha T.R.; Vidhi Jain; Deepak Kumar; Taruna Yadav; Mahendra Kumar Garg (BMC Infectious Diseases, 2021)