Liver tumor incidence

Liver tumor incidence in Sprague-Dawley rats exposed to the chemical like 2,3,7,8-tetrachlorodibenzo-pdioxin (TCDD).

data(TCDD)

Format

A data frame with 6 observations on the following 3 variables.

conc

a numeric vector reporting the concentration of TCDD (ng/kg)

total

a numeric vector

incidence

a numeric vector

Source

R. Kociba, D. Keyes, J. Beyer, R. Carreon, C. Wade, D. Dittenber, R. Kalnins, L. Frauson, C. Park, S. Barnard, R. Hummel, and C. Humiston (1978). Results of a two-year chronic toxicity and oncogenicity study of 2,3,7,8-tetrachlorodibenzo-p-dioxin in rats. Toxicology and Applied Pharmacology, 46(2):279--303.