Humans 6 human 6 patient positioning Patient Positioning 5 adult 5 male 5 clinical article 4 female 4 Adult 3 Female 3 Male 3 article 3 human experiment 3 procedures 3 Aged 2 Article 2 Young Adult 2 aged 2 comparative study 2 controlled study 2 diagnostic imaging 2 physiology 2 young adult 2 Airway Management 1 Aorta 1 Aorta, Abdominal 1 Automatic Detection 1 Automatic registration 1 Avoidance-sector 1 Bladder wall 1