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Cox, R.P., and Pontecorvo, G. (1961) Induction of alkaline phosphatase by substrates in established cultures of cells from individual human donors. Proceedings of the National Academy of Sciences of the United States of America, 47(6), pp. 839-845.
Pontecorvo, G. (1961) Genetic analysis via somatic cells. In: The Scientific Basis of Medicine Annual Reviews 1961. Athlone Press: London, UK, pp. 13-20.