TY - GEN A1 - Lange, Toni A1 - Kopkow, Christian A1 - Lützner, Jörg A1 - Günther, Klaus-Peter A1 - Gravius, Sascha A1 - Scharf, Hanns-Peter A1 - Stöve, Johannes A1 - Wagner, Richard A1 - Schmitt, Jochen T1 - Comparison of different rating scales for the use in Delphi studies: different scales lead to different consensus and show different test-retest reliability T2 - BMC Medical Research Methodology Y1 - 2020 U6 - https://doi.org/10.1186/s12874-020-0912-8 SN - 1471-2288 VL - 20 IS - 1 ER - TY - GEN A1 - Lützner, Jörg A1 - Lange, Toni A1 - Schmitt, Jochen A1 - Kopkow, Christian A1 - Dreinhöfer, Karsten E A1 - Friederich, Niklaus F. A1 - Gravius, Sascha A1 - Heller, Karl-Dieter A1 - Hube, Robert A1 - Gromnica-Ihle, Erika A1 - Kirschner, Stephan A1 - Kladny, Bernd A1 - Kremer, Michael A1 - Linke, Maike A1 - Malzahn, Jürgen A1 - Sabatowski, Rainer A1 - Scharf, Hanns-Peter A1 - Stöve, Johannes A1 - Wagner, Richard A1 - Günther, Klaus-Peter T1 - [The S2k guideline: Indications for knee endoprosthesis : Evidence and consent-based indications for total knee arthroplasty] T2 - Der Orthopäde Y1 - 2018 U6 - https://doi.org/10.1007/s00132-018-3612-x SN - 1433-0431 SN - 0085-4530 VL - 47 IS - 9 SP - 777 EP - 781 ER -