TY  - RPRT
TI  - Primary lateral sclerosis: a case report.
AU  - M F Beal
AU  - E P Richardson
PY  - 1981
DO  - 10.1001/archneur.1981.00510100058008
UR  - https://pubmed.ncbi.nlm.nih.gov/7295106/
ID  - 7295106
ER  -