@article{LaackCasser1989,
  author    = {Laack, Walter van and Casser, H.-R.},
  title     = {Arthroskopische Behandlung der Osteochondrosis dissecans an der medialen Femurrolle},
  series = {Arthroskopie. 2 (1989), H. 1},
  journal   = {Arthroskopie. 2 (1989), H. 1},
  isbn      = {0933-7946},
  pages     = {16 -- 18},
  year      = {1989},
  language  = {de}
}
@article{LaackPausCasseretal.1992,
  author    = {Laack, Walter van and Paus, R. and Casser, H.-R. and Albrecht, T.},
  title     = {Dissekatfixierung mit Polydioxanonstiften bei der Osteochondrosis dissecans / Paus, R. ; Casser, H.-R. ; Laack, W. van ; Albrecht, T.},
  series = {Arthroskopie. 5 (1992), H. 1},
  journal   = {Arthroskopie. 5 (1992), H. 1},
  isbn      = {0933-7946},
  pages     = {19 -- 23},
  year      = {1992},
  language  = {de}
}