TY - BOOK ED - WHO Programme for the Prevention of Deafness and Hearing Impairment. TI - Guidelines for hearing aids and services for developing countries, September 2004 SN - 9241592435 PY - 2004/// CY - Geneva PB - World Health Organization KW - Hearing aids KW - supply and distribution KW - Hearing disorders KW - prevention and control KW - Needs assessment KW - Technology assessment, Biomedical KW - Guidelines KW - Developing countries UR - http://apps.who.int/iris/ UR - http://apps.who.int/iris/ ER -