@article{190172,
      recid = {190172},
      title = {NTP technical report on the toxicology and carcinogenesis  studies   of C.I. direct blue 218 (CAS no. 28407-37-6) in  F344/N rats and B6C3F₁ mice  (feed studies) [microform] /},
      publisher = {National Toxicology Program, U.S.   Dept. of Health and  Human Services, Public Health Service, National Institutes   of Health ;},
      address = {Research Triangle Park, NC :},
      pages = {284 p. :},
      year = {1994},
      note = {"February 1994."},
      url = {http://library.usi.edu/record/190172},
}