The effect of carotid sinus pressure stimulation upon the secretion of the submaxillary gland and the motility of the small intestine and urinary bladder carotid sinus respiratory reflex in conscious dogs and in dogs under light pentothal anaesthesia 犬颈动脉窦内加压对於颌下腺分泌与膀胱及肠运动的影响颈动脉窦加压对清醒或浅麻醉动物呼吸运动的影响