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Ritz E, Koleganova N, Heidland A.Ritz E, et al. Among authors: heidland a.Am J Kidney Dis. 2010 Jun;55(6):1121-9. doi: 10.1053/j.ajkd.2009.09.028. Epub 2010 Mar 15.Am J Kidney Dis. 2010.PMID: 20231046
Ritz E, Heidland A, Nowack R, Rambausek M.Ritz E, et al. Among authors: heidland a.Dtsch Med Wochenschr. 1990 Aug 31;115(35):1325-8. doi: 10.1055/s-0029-1235833.Dtsch Med Wochenschr. 1990.PMID: 2202580Review.German.No abstract available.