@article{190122,
      note = {On t.p. the registered trademark symbol "R" is superscript         following "FF-1" in the title.},
      url = {http://library.usi.edu/record/190122},
      title = {NTP technical report on the perinatal toxicology and  carcinogenesis studies of polybrominated biphenyls  (Firemaster FF-1) (CAS no. 67774-32-7) in   F344/N rats and  B6C3F₁ mice (feed studies) [microform] /},
      publisher = {U.S. Dept. of Health and Human       Services, Public  Heatlh Service, National Institutes of Health ;},
      recid = {190122},
      pages = {244 p. :},
      address = {Reseach Triangle Park, NC :},
      year = {1993},
}