TY - GEN AU - Antoniadis,A AU - Lubker,B B TI - Epidemiology as an essential tool for establishing prevention programs and evaluating their impact and outcome SN - 0021-9924 PY - 1997///0820 KW - Communication Disorders KW - etiology KW - Epidemiologic Methods KW - Humans KW - Mass Screening KW - Population Surveillance KW - Program Evaluation KW - Risk Factors N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1016/s0021-9924(97)00003-8 ER -