Jacobson, L. O., and Doyle, M., (editors), Erythropoiesis (Grune and Stratton, New York, 1962). Rytömaa, T., and Kiviniemi, K., in Control of Cellular Growth in ...

More than thirty years ago W. S. Bullough suggested the existence of soluble molecules, which he called chalones, that would act as tissue-specific negative growth regulators. His idea was that ...

Hank Roberts came to Boulder with his wife Chalones from Lubbock, Tex., in 1946. Hank had, in his ingrained entrepreneurial way, already gotten himself into the fishing-equipment business as early ...