RADIOACTIVE TRACERS 873 



G. HEVESYand A. Forssbekg (1956) Conferences et Rapports, 3ieme Congres Inter- 

 national de Biochimie, 479. 



B. E. Holmes (1947) Brit. J. Radiol, xx, 45. 



B. E. Holmes (1949) Brit. J. Radiol, xxii, 260. 



B. E. Holmes and L. A. Mee (1955) Radiohiology Symposium, U)5i p. 220 London. 



A. Howard and S. R. Pelc (1951) Isotopes in Biochemistry, London. 



A. Howard and S. R. Pelc (1953) Radiohiology Symposium ; Symposium on 

 Chromosome Breakage 261. London. 



A. Howard and S. R. Pelc, (1953) Heredety suppl. VI, 261 



A. Howard (1956) Ciba Foundation Conference on the Influence of Ionizing 

 Radiations on Cell Metabolism, London. 



M. Kamen and S. Spiegelman (1948) Cold Spring Harbour Symposium xiii, 151. 



Kelly, S. Lola, A. H. Payne, M. R. White and H. B. Jones (1951) Cancer 

 Res. ix, 694. 



Kelley, S. Lola, and H. B. Jones (1953) Atner. J. Physiol, clxxii, 575. 



Kelley, S. Lola, J. D. Hirsch, G. Beach and A. H. Payne (1955) Rad. Res. 

 ii, 490. 



H. K. KiHARi and A. Sibatani (1955) Biochem Biophys. Acta xvii, 579. 



N. P. Knowlton and W. R. Widner (1950) Cancer Res. x, 59. 



L. G. Lajtha, R. Oliver and F. Ellis (1954) Brit. J. Cancer viii, 367. 



L. G. Lajtha and H. D. Suit (1955) Brit. J. Haemat. i, 55. 



H. Laser (1954) Nature clxxiv, 753. 



J. Lasnitzki (1943) Brit. J. Radiol, xvi 61, 137. 



R. K. LoEFFLER, V. P. Collins and G. A. Hyman (1953) Science cxviii, 161. 



J. S. Mitchell (1940) Nature cxlv, 106 and cxivi, 272. 



J. S. Mitchell (1942) Brit. J. Exp. Path, xxiii, 285 296. 



J. S. Mitchell (1956) J. Colloidchem. in press. 



M. G. Ord and L. A. Stocken (1956) Conferences et Rapports Sieme Congres Inter- 

 national de Biochimie 491. 



E. C. Pollard, W. R. Guild, F. Hutchinson and R. B. Setlov (1955) Progr. 

 Biophys v, 72. 



M. H. Ross, J. FuRTH and R. R. Bigelow (1952) J. Haematol., vii, 417. 



A. Rothstein (1955) International Conference on the Peaceful Uses of Atomic; 

 Energy, 8/P, 267. 



O. A. ScHiEDE and B. M. Allen (1951) Nuclear Abstracts, v, 42. 



R. M. S. Smellie, W. M. McIndre, R. Logan, J. N. Davidson and I. M. Dawson 

 (1953) Biochem., J. Hv, 280. 



R. J. SoBERMAN, R. p. Keating and R. D. Maxv^^ll (1951) Amcr. J . Physiol. 

 clxiv, 450. 



A. H. Sparrow and F. M. Rosenfeld (1946) Science, civ, 245. 



A. H. Sparrow (1955) Rad. Res., iii, 75. 



C. E. Stevens, R. Daoust and C. P. Leblond (1953) J. Biol. Chem. ccii, 177. 

 H. D. Suit, L. G. Lajtha and Oliver In press. 



B. Taylor, J. P. Greenstein and A. Hollaender (1947) Science, cv, 263. 

 J. D. Watson and F. H. C Crick (1953) Nature, clxxi, 737 and 964. 



H. Vermund, C. p. Barnum, R. A. Huseby and K. W. Stenstrom (1953) Cancer 

 Res. xiii, 633. 



S. Warren and J. F. Bowers (1950) Amer. Intern. Med. xxxii, 207. 



L. Wish, J. Furth, Ch. W. Sheppard and R. H. Storey (1952) Amer. J. Roent- 

 genol, xiii. 



