References
- American National Standards Institute. 1999. Maximum permissible ambient noise levels for audiometric test rooms (ANSI 3.1-1999). New York, Acoustical Society of America.
- American Speech-Language-Hearing Association. 2005. Manual Pure Tone Audiometry. Rockville, MD, American Speech-Language-Hearing Association.
- Central Bureau of Statistics. 2001. National Report 2001. Table 10: Population by five year age groups, sex, and sex ratios for regions and districts. Kathmandu, Government of Nepal, Central Bureau of Statistics.
- Cherian T., Bhattacharji S., Brahmadathan K., Lalitha P., Raghupathy P. . 2000. Persistent rhinorrhoea in rural Indian children: Prevalence and consequences. J Trop Pediatr, 46, 365–367.
- de Beer B., Schilder A., Zeiluis G., Graamans K. 2005. Natural course of tympanic membrane pathology related to otitis media and ventilation tubes between ages 8 and 18 years. Otol Neurotol, 26 (5), 1016–1021.
- E.A.R. Auditory Systems. 2000. Instructions for the use of E.A.RTONE 5A insert earphones. Indianapolis, E.A.R Auditory Systems.
- Jacob A., Rupta V., Job A., Joseph A. 1997. Hearing impairment and otitis media in a rural primary school in South India. Int J Pediatr Otorhinolaryngol, (39), 133–138.
- Li Y., Hunter L., Margolis R., Levine S., Lindgren B. . 1999. Prospective study of tympanic membrane retraction, hearing loss and multifrequency tympanometry. Otolaryngol Head and Neck Surg, 121 (5), 514–522.
- Little P., Bridges A., Guragain R., Friedman D., Prasad R., Weir N. 1993. Hearing impairment and ear pathology in Nepal. J Laryngol Otol, 107, 395–400.
- Margolis R., Heller R. 1987. Screening tympanometry: Criteria for medical referral. Audiology, 26, 4, 197–208.
- Mathers C., Smith A., Concha M. 2000. Global burden of hearing loss in the year 2000. Geneva, World Health Organization.
- Newman C., Weinstein B., Jacobson G., Hug G. 1991. Test-retest reliability of the hearing handicap inventory for adults. Ear Hear, 12(5), 355–357.
- Olusanya B. 2003. Hearing impairment in children with impacted cerumen. Ann Trop Paediatr, 23, 121–128.
- Pascolini D., Smith A. 2009. Hearing impairment in 2008: A compilation of available epidemiological studies. Int J of Audiol, 48(7), 486–529.
- Rao R.S.P., Subramanyam M.A., Nair N. S., Rajashekhar B. 2002. Hearing impairment and ear diseases among children of school entry age in rural South India. Int J Pediatr Otorhinolaryngol, 64 (2), 105–110.
- Roeser R., Ballachanda B. 1997. Physiology, pathophysiology, and anthropology/epidemiology of human ear canal secretions. J Am Acad Audiol, 8(6), 391–400.
- Seibert J., Danner C. 2006. Eustachian tube function and the middle ear. Otolaryngol Clin North Am, 39(6), 1221–1235.
- West K., Pokhrel R., Katz J., LeClerq S., Khatry S. . 1991. Efficacy of vitamin A in reducing preschool child mortality in Nepal. Lancet, 338(8759), 67–71.
- West K., LeClerq S., Shresta S., Wu L.S.F., Pradhan E.K. . 1997. Effects of vitamin A on growth of vitamin A-deficient children: field studies in Nepal. J Nutr, 127(10), 1957–65.
- World Health Organization. 1999. WHO Ear and Hearing Disorders Survey: Protocol for a Population-based Survey of Prevalence and Causes of Deafness and Hearing Impairment and Other Disorders. WHO/PBD/PDH/99.8(1). Geneva: World Health Organization.
- World Health Organization. 2004. Chronic Suppurative Otitis Media: Burden of Illness and Management Options. Geneva: World Health Organization. http://www.who.int/pbd/deafness/activities/hearing_care/otitis_media.pdf
- World Health Organization. 2006. Deafness and hearing impairment: Fact Sheet No 300. Geneva: World Health Organization. http://www.who.int/mediacentre/factsheets/fs300/en/index.html
- World Health Organization. Grades of Hearing Impairment. Geneva: World Health Organization. http://www.who.int/pbd/deafness/hearing_impairment_grades/en/index.html