We especially propose to take advantage of the platyfish-swordtail melanoma system, which permits the breeding of animals ... In both systems, all stages of pigment cell differentiation can be followed and screened for abnormal development. ... quantities, with a generation time of less than 6 months, have an ovarian cycle of 4 to 5 weeks, and give birth at regular intervals to large litters of young (/, 2).
|Title||:||Cancer mortality in the United States, 1950-1977|
|Author||:||Frank W. McKay, Margot R. Hanson, Robert W. Miller, National Cancer Institute (U.S.), National Cancer Institute (U.S.). Field Studies and Statistics Program. Clinical Epidemiology Branch|