Zurich: n.p., 1938. 29 pp. 8vo. Paper wrappers. First edition. A very good copy. Item #25273
Dissertation at the medical Faculty at the University of Zurich under the direction of H. W. Maier. Only two copies listed, one at the Niedersachsische Staats-und Univ and one at the CRL. Chrzanowski (1913-2000) was part of the slave labor force during the Nazi era.