TY - GEN AU - Ausenheimer,Betty AU - Irwin,Ruth Beckey TI - Effect of Frequencies on Speech Therapy On Several Measures of Articulatory Proficiency SN - 1558-9129 PY - 1971/// PB - Language, speech, and hearing services in schools N1 - Publication Type: Journal Article UR - https://doi.org/10.1044/0161-1461.0205.43 ER -