@article{017-042-00255-9,
      note = {Shipping list no.: 89-231-P.},
      author = {Boyd, Gayle M. and Darby, Charles A.,},
      url = {http://library.usi.edu/record/138129},
      title = {Smokeless tobacco use in the United States : a compilation  of papers on recent research and discussion of directions  for future research /},
      publisher = {Smoking, Tobacco, and Cancer Program, Division of Cancer  Prevention and Control, National Cancer Institute ;},
      number = {017-042-00255-9},
      recid = {138129},
      pages = {105 p. :},
      address = {Bethesda, Md. :},
      year = {1989},
}