TY  - RPRT
TI  - Polymyositis beginning as a focal process.
AU  - R R Heffner
AU  - S A Barron
PY  - 1981
DO  - 10.1001/archneur.1981.00510070073013
UR  - https://pubmed.ncbi.nlm.nih.gov/7247766/
ID  - 7247766
ER  -