Die Lachgas-Analgesie in der Azhnärztlichen Praxis (Nitrous Oxide-Oxygen Analgesia in Dental Practice)

First Edition. Br DR. MED. DENT. PAUL VONOW (Zurich). Cloth $6.50. Pp. 352, with 57 illustrations. Published by Medizinischer Verlag Hans Huber, Bern and Stuttgart, 1956. (Intercontinental Medical Book Corporation, 381 Fourth Avenue, New York 16, N. Y.)