Ultrasound observation of the subclavian vein: changes in the diameter with the head tilted down.
Kawano
Makoto
M
Yoshimine
Kowa
K
D000328:Adult; D018475:Head-Down Tilt / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D013350:Subclavian Vein / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D014463:Ultrasonography