title: Eight-channel ultrasonic displacement meter for implantable miniature sensors.
authors.forename: T
authors.initials: T
authors.lastname: Nakamura
authors.forename: K
authors.initials: K
authors.lastname: Hayashi
authors.forename: J
authors.initials: J
authors.lastname: Seki
mesh_terms: D000818:Animals; D004285:Dogs; D004867:Equipment Design; D006321:Heart / Q000033:anatomy & histology*; D006352:Heart Ventricles / Q000033:anatomy & histology; D019736:Prostheses and Implants; D014465:Ultrasonics / Q000295:instrumentation*