the effects of morphine on the responses of blood pressure and pulse rate to stimulation of sympathetic nerves or to intravenous administration of noradrenaline were studied in female rats which had been treated with either an increasing concentration of morphine sulphate in their drinking fluid ( 5 % sucrose solution ) , or an acute intraperitoneal injection of morphine .
C0066814
morphine sulphate
C0026549
morphine