5Frederick L, Schuster Lynn, Ramirez-Avila. Current world status of balantidium coli [J]. Clin Microbiol Rev,2008,21(4):626-638.
6Ponce-Gordo F, Jimenez-Ruiz E, Marti nez-Di az R h. Tentative identification of the species of Balantidium from ostriches (Struthio camelus) as Balantidium coli-like by analysis of polymorphic DNA [J]. Vet Parasitol,2008,157(1-2):41-49.
8Dhawan S, Jain D, Mehta V S. Balantidium coli: an unrecognized cause of vertebral osteomyelitis and myelopathy [J]. J Neurosurg Spine, 2013, 18 (3) : 310-313.
9Bandyopadhyay A, Majumder K, Goswami B K. Balantidium coli in urine sediment: report of a rare case presenting with hematuria [J]. J Parasit Dis,2013,37 (2):283-285.
