@inproceedings{DBLP:conf/gmds/RoskiLPS94,
  author    = {J. Roski and
               H. A. Lando and
               P. L. Pirie and
               L. Schmid},
  title     = {Nat{\"u}rliche Entwicklung des Entw{\"o}hnungsverhaltens
               {\"u}ber drei Jahre in einer prospektiven Kohorte von Rauchern},
  booktitle = {GMDS},
  year      = {1994},
  pages     = {649-652},
  crossref  = {DBLP:conf/gmds/1994},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/gmds/1994,
  editor    = {Hildebrand Kunath and
               U. Lochmann and
               R. Straube and
               Karl-Heinz J{\"o}ckel and
               C. O. K{\"o}hler},
  title     = {Medizin und Information, 39. Jahrestagung der GMDS, Dresden,
               September 1994},
  booktitle = {GMDS},
  publisher = {MMV Medizin Verlag},
  year      = {1994},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}