@article{472711,
      note = {Proceedings of a workshop held on May 3-4, 1989, supported  by the Howard Hughes Medical Institute and the National  Center for Health Services Research of the Department of  Health and Human Services (grant 5 RO9 HS055 26 02).},
      author = {Gelijns, Annetine.},
      url = {http://library.usi.edu/record/472711},
      title = {Modern methods of clinical investigation [electronic  resource] /},
      publisher = {National Academy Press,},
      recid = {472711},
      pages = {xviii, 222 p. :},
      address = {Washington, D.C. :},
      year = {1990},
}