Fig. 4From: The timing of umbilical cord clamping at birth: physiological considerationsA combined angiographic and phase contrast X-ray image of a near term (30 days) rabbit kitten that was delivered by caesarean section and received unilateral ventilation of the right lung. Blood flow, as shown by the contrast agent in the pulmonary vessels, increases similarly in both the aerated right lung and the unaerated left lungBack to article page