Quantitative studies in the development of the rat molar. I. The growth pattern of the primary and secondary dentinThis investigation was aided in part by grants from the Carnegie Corporation of New York and from Mead Johnson and Company. (from birth to 500 days of age) - Hoffman, M. M.; Schour, I. (Wiley-Blackwell, 1940)
http://dx.doi.org/10.1002/ar.1090780208
Keywords: WW-YZ