title: How many angels could dance on the head of a pin?
authors.forename: George E
authors.initials: GE
authors.lastname: Ehrlich
mesh_terms: D001323:Autoantibodies / Q000097:blood; D015415:Biomarkers; D002908:Chronic Disease; D005356:Fibromyalgia / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D006801:Humans; D010146:Pain / Q000150:complications / Q000175:diagnosis; D010743:Phospholipids / Q000276:immunology; D012219:Rheumatology; D012701:Serotonin / Q000276:immunology; D009626:Terminology as Topic
chemical_list: D001323:Autoantibodies; D015415:Biomarkers; D010743:Phospholipids; D012701:Serotonin