TY  - RPRT
TI  - Does primary fibromyalgia exist?
AU  - K Forslind
AU  - E Fredriksson
AU  - O Nived
PY  - 1990
DO  - 10.1093/rheumatology/29.5.368
UR  - https://pubmed.ncbi.nlm.nih.gov/2224406/
ID  - 2224406
ER  -