[Ultrasonic tissue characterization of parotid tumors--measurement of the velocity of ultrasound in parotid tumors in vivo--relationship between ultrasonic properties and tissue constituents].
D000158:Acoustic Impedance Tests; D001834:Body Water / Q000032:analysis; D003094:Collagen / Q000032:analysis; D006801:Humans; D010307:Parotid Neoplasms / Q000032:analysis / Q000473:pathology*; D014465:Ultrasonics; D014463:Ultrasonography
D003094:Collagen