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Ludwig H, Fritz E, Kotzmann H, Höcker P, Gisslinger H, Barnas U.Ludwig H, et al. Among authors: fritz e.N Engl J Med. 1990 Jun 14;322(24):1693-9. doi: 10.1056/NEJM199006143222402.N Engl J Med. 1990.PMID: 2342535Free article.
Ludwig H, Fritz E, Kotzmann H, Gisslinger H.Ludwig H, et al. Among authors: fritz e.Onkologie. 1990 Feb;13(1):46-9. doi: 10.1159/000216719.Onkologie. 1990.PMID: 2186325German.
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Leitgeb C, Pecherstorfer M, Fritz E, Ludwig H.Leitgeb C, et al. Among authors: fritz e.Cancer. 1994 May 15;73(10):2535-42. doi: 10.1002/1097-0142(19940515)73:10<2535::aid-cncr2820731014>3.0.co;2-5.Cancer. 1994.PMID: 8174050Clinical Trial.
Ludwig H, Pecherstorfer M, Leitgeb C, Fritz E.Ludwig H, et al. Among authors: fritz e.Stem Cells. 1993 Sep;11(5):348-55. doi: 10.1002/stem.5530110502.Stem Cells. 1993.PMID: 8241947Review.
Ludwig H, Fritz E, Leitgeb C, Krainer M, Kührer I, Sagaster P, Umek H.Ludwig H, et al. Among authors: fritz e.Ann Oncol. 1993 Feb;4(2):161-7. doi: 10.1093/oxfordjournals.annonc.a058423.Ann Oncol. 1993.PMID: 8448084Free article.
Ludwig H, Chott A, Fritz E, Krainer M.Ludwig H, et al. Among authors: fritz e.Stem Cells. 1995 Aug;13 Suppl 2:77-87.Stem Cells. 1995.PMID: 8520516Clinical Trial.
Ludwig H, Sundal E, Pecherstorfer M, Leitgeb C, Bauernhofer T, Beinhauer A, Samonigg H, Kappeler AW, Fritz E.Ludwig H, et al. Among authors: fritz e.Cancer. 1995 Dec 1;76(11):2319-29. doi: 10.1002/1097-0142(19951201)76:11<2319::aid-cncr2820761121>3.0.co;2-u.Cancer. 1995.PMID: 8635038Clinical Trial.