Thomsen, Henrik; Muller, Robert N.; Mattrey, Robert F. (2012). Trends in Contrast Media (بالإنجليزية). Springer Science & Business Media. p. 13. ISBN:9783642598142. Archived from the original on 2017-01-01.
Thomsen, Henrik; Muller, Robert N.; Mattrey, Robert F. (2012). Trends in Contrast Media (بالإنجليزية). Springer Science & Business Media. p. 13. ISBN:9783642598142. Archived from the original on 2017-01-01.