TY - GEN AU - Kennedy,G AU - Spence,V AU - Khan,F AU - Belch,J J F TI - Plasma endothelin-1 levels in chronic fatigue syndrome SN - 1462-0324 PY - 2004///0504 KW - Biomarkers KW - blood KW - Endothelin-1 KW - Fatigue Syndrome, Chronic KW - Fibromyalgia KW - Humans N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1093/rheumatology/keg462 ER -