1. Abrahams, V.C., Pickford, M.: Effect of 5-HT on the ureter and on the blood pressure of dogs; and of adrenaline, noradrenaline, and posterior pituitary extracts on the ureter. Br. J. Pharmacol. 11: 44, 1956.
2. Abrams, P.H., Feneley, R.C.L.: The actions of prostaglandins on the smooth muscle of the human urinary tract in vitro. Br. J. Urol. 47: 909, 1976.
3. Abramson, D., Caton, W.L., Jr., Roly, C. C.: The effect of relaxin on the excretion of diodrast in the castrate hysterectomized rabbit. Am. J. Obstet. Gynecol. 65: 654, 1953.
4. Agar, W.T.: Rhythmic contractions of ureter. Aust. J. Exp. Biol. Med. Sci. 26: 253, 1948.
5. Ahlquist, R.P.: A study of adrenotropic receptors. Am. J. Physiol. 153: 586, 1948.