TY  - RPRT
TI  - Polymyositis and cell-mediated immunity.
AU  - M Ziff
AU  - R L Johnson
PY  - 1973
DO  - 10.1056/nejm197303012880910
UR  - https://pubmed.ncbi.nlm.nih.gov/4734263/
ID  - 4734263
ER  -