title: Improved techniques for measuring in vitro the geometry and pressure distribution in the human acetabulum--I. Ultrasonic measurement of acetabular surfaces, sphericity and cartilage thickness.
mesh_terms: D000077:Acetabulum / Q000033:anatomy & histology*; D000886:Anthropometry / Q000379:methods; D001696:Biomechanical Phenomena; D002358:Cartilage, Articular / Q000033:anatomy & histology*; D006621:Hip Joint / Q000033:anatomy & histology; D006801:Humans; D011312:Pressure; D013499:Surface Properties; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography