TY  - RPRT
TI  - Chronic polymyositis.
AU  - E CHRISTENSEN
AU  - H LEVISON
PY  - 1950
DO  - 10.1111/j.1600-0447.1950.tb01628.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14770898/
ID  - 14770898
ER  -