title: Environmental illness and patients with multiple unexplained symptoms.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D003937:Diagnosis, Differential; D004781:Environmental Exposure; D004967:Estrogens / Q000172:deficiency; D005260:Female; D006566:Herpesviridae Infections / Q000175:diagnosis; D004854:Herpesvirus 4, Human; D006801:Humans; D008875:Middle Aged; D013001:Somatoform Disorders / Q000175:diagnosis*
chemical_list: D004967:Estrogens