TY - GEN AU - Goudsmit,E TI - Functional somatic syndromes SN - 0003-4819 PY - 2000///0217 KW - Fatigue Syndrome, Chronic KW - classification KW - Humans KW - Research KW - standards KW - Somatoform Disorders KW - Syndrome N1 - Publication Type: Comment; Letter ER -