Media type: E-Article Title: 1999 Calendar imprint: Elsevier BV, 1998 Published in: Journal of Voice Language: English DOI: 10.1016/s0892-1997(98)80068-4 ISSN: 0892-1997 Keywords: LPN and LVN ; Speech and Hearing ; Otorhinolaryngology Origination: Footnote: