Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 3-4 1968 12 15 95 104 A. Pousti N. Guiti 2015 09 28 The effects of prolonged administration of methylthiouracil were studied on several physiological parameters pertinent to the thyroid function in dog. Though the individual variations of the measured parameters were not consistent but the statistical differences of diminution of basal metabolism rate, respiration rate and erythrocyte count- were significant Brief explanations for the mechanism of the pathophysiological findings were presented. https://acta.tums.ac.ir/index.php/acta/article/view/4095 https://acta.tums.ac.ir/index.php/acta/article/download/4095/4070