The path of the ultrasonic beam in clinical echoencephalography.
D000328:Adult; D001921:Brain / Q000000981:diagnostic imaging*; D004453:Echoencephalography; D006801:Humans; D008433:Mathematics; D008875:Middle Aged; D008962:Models, Theoretical; D010870:Pineal Gland; D011011:Pneumoencephalography