Research Article
A Preliminary Study on the Functionality of the Carotid-Vertebral Anastomotic Artery in the Regulation of Blood Flow in the Giraffe (Giraffa camelopardalis) by Duplex Ultrasound Examination
Figure 1
(a): Doppler waveform measurement in the head upright position. (b) Doppler waveform measurement in the head-down position.
(a) |
(b) |