1. ”The Reaction of the Lung on Bronchography with Viscous Umbradil, Umbradil and Carboxymethylcellulose,”;Hellstrom;Acta Radiol.,1949
2. ”The Fate of Iodized Oil in the Lungs,”;Brown;Surg., Gynec. and Obst.,1928
3. ”Intratracheal Injection of Iodized Oil,”;Fried;Arch. Int. Med.,1927
4. Granuloma,”;Fortner;Arch. Path.,1950
5. ”Methode General d'exploration radiologiaue par l'huile iodec,”;Sicard;Bull. et. mem. Soc. med. d. hop. de Paris.,1922