1. A Viscous, Water-Soluble Contrast Preparation;Morales;Acta radiol.,1948
2. A Water-Soluble Contrast Medium for Bronchography;Atwell;Dis. Chest.,1950
3. Flipse, M. E., Hedberg, G. A., and Krueger, V. R.: Water-Soluble Contrast Media for Bronchography, Presented before the Section on Diseases of the Chest at the 101st Annual Session of the AMA, Chicago, June 10, 1952.
4. Personal communications.
5. Erfahrungen bei der Bronchographie mit wasserlöslichen Kontrastmitteln, Per-Abrodil M 60%-viscös;Vieten;Röntgen-Blätter,1951