title: Negatively correlated external and internal symptom clusters.
mesh_terms: D001416:Back Pain; D001828:Body Image; D004194:Disease; D005260:Female; D006339:Heart Rate; D006356:Heartburn; D006801:Humans; D008297:Male; D009325:Nausea; D010146:Pain; D012877:Skin Manifestations; D014839:Vomiting