@article{SchmalzlGrafKimmeyeretal.2022,
  author    = {Jonas Schmalzl and Annika Graf and Michael Kimmeyer and Fabian Gilbert and Christian Gerhardt and Lars-Johannes Lehmann},
  title     = {Treatment of avascular necrosis of the humeral head - Postoperative results and a proposed modification of the classification},
  journal   = {BMC Musculoskeletal Disorders},
  volume    = {23},
  doi       = {10.1186/s12891-022-05338-1},
  year      = {2022},
}