@article{ThillFriedrichKolbergLiedtkeetal.2021,
  author    = {Marc Thill and Michael Friedrich and Cornelia Kolberg-Liedtke and Ute-Susann Albert and Maggie Banys-Paluchowski and Ingo Bauerfeind and Jens-Uwe Blohmer and Wilfried Budach and Peter Dall and Eva Maria Fallenberg and Peter Andreas Fasching and Tanja Fehm and Bernd Gerber and Oleg Gluz and Nadia Harbeck and J{\"o}rg Heil and Jens Huober and Christian Jackisch and Hans-H. Kreipe and David Krug and Thorsten K{\"u}hn and Sherko K{\"u}mmel and Sibylle Loibl and Diana L{\"u}ftner and Michael Patrick Lux and Nicolai Maass and Christoph Mundhenke and Ulrike Nitz and Tjoung-Won Park-Simon and Toralf Reimer and Kerstin Rhiem and Achim Rody and Marcus Schmidt and Andreas Schneeweiss and Florian Sch{\"u}tz and Peter Sinn and Christine Solbach and Erich-Franz Solomayer and Elmar Stickeler and Christoph Thomssen and Michael Untch and Isabell Witzel and Achim W{\"o}ckel and Volkmar M{\"u}ller and Wolfgang Janni and Nina Ditsch},
  title     = {AGO recommendations for the diagnosis and treatment of patients with locally advanced and metastatic breast cancer : update 2021},
  journal   = {Breast care},
  volume    = {16.2021},
  number    = {3},
  pages     = {228 -- 235},
  doi       = {10.1159/000516420},
  year      = {2021},
}