BJÖRK , LARS; ERIKSON , UNO; INGELMAN , BJÖRN; ZAAR , BIRGlTTA. Improved Polymeric Contrast Agents for Roentgenologic Examination of the Gastrointestinal Tract: I. Preliminary Report on the Chemistry of the Polymers. Upsala Journal of Medical Sciences, [S. l.], v. 79, n. 2, p. 103–105, 1974. DOI: 10.3109/03009737409178976. Disponível em: https://ujms.net/index.php/ujms/article/view/7407. Acesso em: 10 nov. 2026.