1. Andervont, H.B., Shimkin, M.B.: Tumors in mice injected with colloidal thorium dioxide. J. Nat. Canc. Inst. 1/II, 349 (1940)
2. Arbeitsgruppe ?Fremdkörperwirkung von Thorotrast?: see Leipolz-Angermüller
3. Aschoff, L.: Das reticulo-endotheliale System. Erg. Inn. Med. Kinderheilkunde 26, 1 (1924)
4. Baillif, R.N.: Splenic reactions to colloidal thorium dioxide in the albino rat. Am. J. Anat. 92, 55 (1953)
5. Bayamin, S.A., Hahn, F.F., Chiffele, T.L., Becker, B.B., Hobbs, C.H., Jones, R.K., McCellan, R.O., Snipes, M.B.: Occurence of Haemangiosarcomas in beagles with internally deposited radionuclides. Cancer Res. 35, 1745 (1975)