@misc{hauptmann_uring-lambert_kazatchkine_voigtländer_bahmer_seligmann_1984, 
  title={Decreased levels of complement components C4 and C2 in lupus erythematosus: genetic defect or complement activation?}, 
  volume={2}, 
  number={1}, 
  author={Hauptmann, G and Uring-Lambert, B and Kazatchkine, M and Voigtländer, V and Bahmer, F and Seligmann, M}, 
  year={1984}
  }