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2. Rate of growth of solid tumours as a problem of diffusion;Burton;Growth,1966
3. Model for the growth of a solid in vitro tumor;Deakin;Growth,1975
4. Self-regulation of growth in three dimensions;Folkman;J. Exp. Med.,1973
5. The respiration of ascites tumour cells at low oxygen concentrations;Froese;Biochim. Biophys. Acta,1962