Modifiers of non-specific symptoms in occupational and environmental syndromes.
van der Gulden
J W
JW
Vogelzang
P F
PF
D001008:Anxiety Disorders; D015982:Bias; D015986:Confounding Factors, Epidemiologic; D018876:Environmental Illness / Q000209:etiology*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D012647:Self-Assessment