1. Cerumen management: Instruments and procedures;Ballachanda;ASHA,1992
2. Impacted cerumen as a reason for failure in hearing; Conservation programs;Bricco;Journal of School Health,1985
3. Prevalence of occlusion due to impacted cerumen among mentally retarded adolescents;Brister;American Journal of Mental Deficiency,1986
4. Incidence of excessive/impacted cerumen in mentally retarded individuals;Crandell;American Journal of Mental Retardation,1993