TY - RPRT TI - Objective assessment of vocal hyperfunction: an experimental framework and initial results. AU - R E Hillman AU - E B Holmberg AU - J S Perkell AU - M Walsh AU - C Vaughan PY - 1989 DO - 10.1044/jshr.3202.373 UR - https://pubmed.ncbi.nlm.nih.gov/2739390/ ID - 2739390 ER -