1. Über den blutdruckerregenden Bestandtheil der Nebenniere, das Epinephrin;Abel;Z. Physiol. Chem.,1899
2. A study of the adrenotropic receptors;Ahlquist;Am. J. Physiol.,1948
3. 3-Methoxy-4-hydroxy-D-mandelic acid, a urinary metabolite of norepinephrine;Armstrong;Biochim. Biophys. Acta,1957
4. Metabolism of epinephrine and other sympathomimetic amines;Axelrod;Physiol. Rev.,1959
5. Axelrod, J. (1960). The fate of adrenaline and noradrenaline. Ciba Found. Symp., Adrenergic Mechanisms pp. 28–39.