Auxiliary Diaphragm for Radioisotope Teletherapy Units

Fletcher G. H. Richardson J. E. Moore E. B. Morgan J. M. Cole A. : Clinical stationary field therapy with a cobalt 60 unit. Amer. J. Roentgenol. 75 (1956), 91.

Fletcher G. H. Richardson J. E. Moore E. B. Morgan J. M. Cole A. Braun E. J. Moore E. B. Van Roosenbeek E. : The design of a second cobalt 60 unit, based on the experience acquired with 1 000 patients treated with the first unit. Amer. J. Roentgenol. 84 (1960), 761.

Gscheidlen W. Malsch F. Schittenhelm R. : Der Halbschatten bei der Kobalt-Fernbestrahlung. Strahlentherapie 111 (1960), 621.

Haybittle J. L. : The effect of source size upon integral dose in teletherapy units. Acta radiol. 42 (1954), 65.

Hultberg S. Dahl O. Thoraeus R. Vikterlöf K. J. Walstam R. : Kilocurie cobalt 60 therapy at the Radiumhemmet. Acta radiol. (1959) Suppl. No. 179.

Johns H. E. MacKay J. A. : A collimating device for Co⁶⁰ teletherapy units. J. Fac. Radiol. 5 (1953/1954), 239.

Johns H. E. MacKay J. A. The physics of radiology. 2nd ed. Thomas Publishers, Springfield, Ill. 1961.

NBS Handbook 79.

Richardson J. E. Kerman H. D. Brucer M. : Skin dose from cobalt 60 teletherapy unit. Radiology 63 (1954), 25.