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Der Radiologe|May 24, 2017
[The new law on radiation protection as a consequence of the EU safety standard of 2013]G LayerBioessays : News and Reviews in Molecular, Cellular and Developmental Biology|September 1, 1990
Cholinesterases preceding major tracts in vertebrate neurogenesisP G LayerAlzheimer Disease and Associated Disorders|January 1, 1995
Nonclassical roles of cholinesterases in the embryonic brain and possible links to Alzheimer diseaseP G LayerZeitschrift Fur Gastroenterologie|June 1, 1988
[AIDS and gastroenterologic endoscopy. Survey of current practice]J F Riemann, B KohlerKongressband. Deutsche Gesellschaft Fur Chirurgie. Kongress|February 5, 2002
[Bleeding in the lower intestinal tract: indications and results of endoscopic therapy]M Hahne, J F RiemannCanadian Journal of Gastroenterology = Journal Canadien De Gastroenterologie|April 12, 2000
Emergency endoscopyD Apel, J F RiemannGastrointestinal Endoscopy|May 1, 1993
Endoscopy of the pancreatic duct: value of different endoscope typesJ F Riemann, B KohlerDeutsche Medizinische Wochenschrift (1946)|December 22, 1992
[Hemosuccus pancreaticus due to a pressure ulcer in pancreatolithiasis]R Jakobs, J F RiemannPageof 53