Greval, R SKhurana, SShobha, RSharma, S K1993-08-012009-05-291993-08-012009-05-291993-08-01Greval RS, Khurana S, Shobha R, Sharma SK. Anaerobic infection in chronic maxillary sinusitis. Indian Journal of Medical Sciences. 1993 Aug; 47(8): 201-3http://imsear.searo.who.int/handle/123456789/660631) Ten per cent of cases of chronic maxillary sinusitis in a series of 50 cases treated in the ENT department of Dayanand Medical College, Ludhiana, were caused by anaerobic infection. 2) The causative anaerobic micro-organisms encountered were Peptostreptococcus and Clostridium species. 3) Treatment should, therefore, include metronidazole, especially in those cases refractory to conventional antibiotic therapy.engChronic DiseaseClostridium InfectionsGram-Positive Bacterial InfectionsHumansMaxillary Sinusitis --microbiologyPeptostreptococcusJournal Article