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Endoscopy International Open|August 25, 2016
PEG closure in the second attemptLeif Schiffmann, Marin Roth, Florian Kuehn
Journal of Cancer Research and Clinical Oncology|June 11, 2020
Association between various thyroid gland diseases, TSH values and thyroid cancer: a case-control studyLeif Schiffmann, Karel Kostev, Matthias Kalder
International Journal of Colorectal Disease|November 24, 2019
Fecal and urinary incontinence are major problems associated with rectal cancerLeif Schiffmann, Karel Kostev, Matthias Kalder
Histopathology|November 19, 2011
Aggressive colorectal carcinoma phenotypes of invasion can be assessed reproducibly and effectively predict poor survival: interobserver study and multivariate survival analysis of a prospectively collected series of 299 patients after potentially curative resections with long-term follow-upMichael Wöhlke, Leif Schiffmann, Friedrich Prall
World Journal of Surgical Oncology|April 22, 2015
Tumor regression in rectal cancer after intensified neoadjuvant chemoradiation: a morphometric and clinicopathological studyFriedrich Prall, Oliver Schmitt, Leif Schiffmann
Breast Cancer Research and Treatment|May 20, 2020
Association between thyroid gland diseases and breast cancer: a case-control studyLaura Bach, Karel Kostev, Leif Schiffmann, et al.
Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery|October 2, 2004
Colon perforation with acute peritonitis after taking clindamycin and diclofenac following wisdom tooth removalJuergen Ervens, Leif Schiffmann, Gerd Berger, et al.
Oncology Reports|June 6, 2007
Do thymidylate synthase gene promoter polymorphism and the C/G single nucleotide polymorphism predict effectiveness of adjuvant 5-fluorouracil-based chemotherapy in stage III colonic adenocarcinoma?Friedrich Prall, Christiane Ostwald, Leif Schiffmann, et al.
Kidney & Blood Pressure Research|July 17, 2004
Effects of parathyroidectomy on renal allograft survivalPatricia Pui Lee, Leif Schiffmann, Gerd Offermann, et al.
World Journal of Surgical Oncology|March 26, 2013
Is the lymph node ratio superior to the Union for International Cancer Control (UICC) TNM system in prognosis of colon cancer?Leif Schiffmann, Anne Karen Eiken, Michael Gock, et al.
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