TY  - RPRT
TI  - Long-term phonatory instability in individuals with multiple sclerosis.
AU  - L Hartelius
AU  - E H Buder
AU  - E A Strand
PY  - 1997
DO  - 10.1044/jslhr.4005.1056
UR  - https://pubmed.ncbi.nlm.nih.gov/9328877/
ID  - 9328877
ER  -