@article{253509,
      note = {"May 2001."},
      url = {http://library.usi.edu/record/253509},
      title = {NTP technical report on the toxicology and carcinogenesis  studies of sodium nitrite (CAS no. 7632-00-0) in F344/N  rats and B6C3F₁ mice (drinking water studies) [microform]  /},
      publisher = {National Toxicology Program, U.S. Dept. of Health and  Human Services, Public Health Service, National Institutes  of Health,},
      recid = {253509},
      pages = {274 p. :},
      address = {Research Triangle Park, NC :},
      year = {2001},
}