16. Chetsanga C. J., Boyd V., Peterson L., Rushlow K
. Nature, 253, 130–131 (1976). 17. Clark A., Rubin M. A
. Radiat. Res., 15, 244–248 (1961). 18. Clever V., Romball C. G
. Proc. nat. Acad. Sci., USA, 56, 1470–1473 (1966). 19. Crowley C, Curtis H. J
. Proc. nat. Acad. Sci., USA, 49, 626–628 (1963). 20. Curtis H. J
. Science, 141, 686–694 (1963). 21. Curtis H. J
. Fed. Proc, 23, 662–667 (1964). 22. Curtis H. J
. Biological Mechanisms of Aging, Thomas, Springfield (1966), 23. Cutler R. G
. Proc. nat. Acad. Sci., USA, 72, 4664–4668 (1975). 24. Edelmann P., Gallant J
. Proc. nat. Acad. Sci., USA, 74, 3396–3398 (1977). 25. Evans G
. In: The Biology of Aging (B. L. Strehler, Ed.), 170–175, Am. Inst. Biol, Sci., Washington (1960). 26. Failla G
. In "The Biology of Aging" (B. L. Strehler Ed.), 170–175. Am. Inst. Biol. Sci., Washington (1960). 27. Fulder S. J., Holliday R
. Cell, 6, 67–75 (1975). 28. Gartner L. P
. Gerontologia, 19, 295–302 (1973). 29. Garvin R. T., Rosset R., Gorini L
. Proc. nat. Acad. Sci., USA, 70, 2762–2766 (1973). 30. Gershon D
. Mech. Age. Dev., 9, 189–196 (1979). 31. Gershon H., Gershon D
. Nature, 227, 1214–1217 (1970). 32. Gershon H., Gershon D
. Mech. Age. Dev., 2, 33–41 (1973). 33. Gershon H., Gershon D
. Proc. nat. Acad. Sci., USA, 70, 909–913 (1973). 34. Gershon D., Reznick A., Reiss U
. In: Biochemistry of Aging (N. Kharasch, Ed.), Raven Press, New York (1978). 35. Goel N. S., Yeas M. J
. Theo. Biol., 55, 246–282 (1975). 36. Goldberg A. L
. Proc. nat. Acad. Sci., USA, 69, 422–426 (1972). 37. Goldstein S., Moerman C. J
. Nature, 255, 159 (1975). 38. Goldstein S., Moerman C. J
. New Eng. J. Med, 292, 1306–1309 (1975). 39. Goren R., Reznick A. Z., Reiss U., Gershon D
. FEBS Lett., 84, 83–86 (1977). 40. Gupta S. K., Rothstein M
. Arch. Biochem. Biophys., 174, 333–338 (1976). 41. Gupta S. K., Rothstein M
. Biochim. Biophys. Acta, 445, 632–644 (1976). 42. Handler P., Fed
. Proc. (Suppl. 8), 20, 46–50 (1961). 43. Hart R. W., Setlow R. B
. Proc. nat. Acad. Sci, USA, 71, 2169–2173 (1974). 44. Henshaw P. S
. Radiology, 69, 30–36 (1957). 45. Hill B. T., Whelan R. D. H
. Gerontology, 24, 326–336 (1978) 46. Hoehn H., Bryant E. M., Johnston P., Norwood T. H., Martin G. M
. Nature, 258, 608–609 (1975). 47. Hoffman O. W
. J. molec. Biol, 86, 349–362 (1974). 48. Holliday R., Huschtscha L. I., Tarrant G. M., Kirkwood T. B. L
. Science, 198, 366–372 (1977). 49. Holliday R., Tarrant G. M
. Nature, 238, 26–30 (1972). 50. Hoofield J. J
. Proc. nat. Acad. Sci., USA, 71, 4135–4139 (1974). 51. Hosbach H. A., Kubli E
. Mech. Age. Dev, 10, 131–140 (1979).