title: Constipation--presenting compliant and clinical marker of Parkinson's disease.
authors.forename: A Q
authors.initials: AQ
authors.lastname: Rana
mesh_terms: D003248:Constipation / Q000175:diagnosis* / Q000209:etiology; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000150:complications / Q000175:diagnosis*; D011860:Radiography, Abdominal; D013130:Spinal Stenosis / Q000150:complications / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed