The response is the length of odontoblasts (cells responsible for
tooth growth) in 60 guinea pigs. Each animal received one of three
dose levels of vitamin C (0.5, 1, and 2 mg/day) by one of two delivery
methods, (orange juice or ascorbic acid (a form of vitamin C and coded
A data frame with 60 observations on 3 variables.
|[,2]||supp||factor||Supplement type (VC or OJ).|
|[,3]||dose||numeric||Dose in milligrams/day|
C. I. Bliss (1952) The Statistics of Bioassay. Academic Press.
McNeil, D. R. (1977) Interactive Data Analysis. New York: Wiley.
Crampton, E. W. (1947) The growth of the odontoblast of the incisor teeth as a criterion of vitamin C intake of the guinea pig. The Journal of Nutrition 33(5): 491–504. http://jn.nutrition.org/content/33/5/491.full.pdf
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