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1.
Book

Del cigarrillo al cancer

by Roffo, A.
Published in: Buenos Aires, 1937
Book
1937
3.
Book

El tabaco como cancerígeno

by Roffo, A.
Published in: Buenos Aires, 1936
Book
1936
4.
Book

Krebs und Ernährung

by Roffo, A.
Published in: Berlin, 1933
Book
1933
6.
Book

Krankenhaus und Krebskrankheit

by Roffo, A.
Published in: Stuttgart, 1932
Book
1932