1. Coffey, J.D. Jr., and Booth, H.N: Otitis Media caused by Oxytetracycline resistant pneumococci: A Case report, J. Mississippi Med. Ass. 6: 219. 1965.
2. Coffey, J. D. Jr: Otitis Media in the practice of Pediatrics, Pediatrics. 38: 25, 1966.
3. Cruickshank, R.: Mackie and McCartney’s hand book of bacteriology, Edinburgh and London: E & S Livingstone Ltd., 1960, PP. 404.
4. Feingold, M., Llein, J. O., Haslam, G. E., Tiller, J. G., Finland, M., Gellis, S.S: Acute otitis media in children, Amer. J. Dis. Child. 3: 261, 1966.
5. Gronroos, J. A., Kortekangas, A. E., Leo Ojala., and Vuori, M.: The aetiology of acute middle ear infection, Acta oto-laryng. 58: 149, 1964.