title: Dropped head syndrome in early-onset Parkinson disease treated with bilateral subthalamic stimulation: clinical, imaging, EMG, and biopsy findings.
authors.forename: Ana
authors.initials: A
authors.lastname: Oliveira
authors.forename: João
authors.initials: J
authors.lastname: Massano
authors.forename: Maria José
authors.initials: MJ
authors.lastname: Rosas
mesh_terms: D000328:Adult; D001706:Biopsy; D046690:Deep Brain Stimulation; D004576:Electromyography; D019416:Head Movements; D018475:Head-Down Tilt; D006801:Humans; D008297:Male; D018482:Muscle, Skeletal / Q000473:pathology; D010300:Parkinson Disease / Q000150:complications* / Q000175:diagnosis*; D020531:Subthalamic Nucleus / Q000502:physiology*