63g MR. COHN: MR. HARRIS: MR. COHN: MR. HARRIS: This is in the bone and not the body. 50 microcuries in the thyroid? Yes. This refers to in humans in veverse to total body of 56 microcuries,of I-131. | DR. BUGHER: Swallowed and absorbed. Is that assumi 100 per cent absorption? MR. HARRIS: It assumes 100 per cent of the ingested material. Alderson Reporting Company Washington, D. C. 10 LT, LOONEY: There are a few interesting comments. il We have been making studies in Bethesda , who have had 12 thorium, and it 13 thickening of the shaft is something that we have noticed 14 with other minor changes in these people. 15 cent of some 17 that we have studied had that. 16 patients -- would you like to go into that at this time? is very interesting to see that this _ Over 50 per In some radiuffi 17 DR. BUGHER: Yes. 18 LT. I have recently gone over all the LOONEY: 19 clinical data on the luminous dial workers, 20, 30 of which were studied at Boston, and 50 at the Argonne 21 some 80 patients, National Laboratory in Chicago. In relation to this, some 10 per cent of these people developed bone tumors 20 or 30 23 ARC years after the administration of radium, and this luminous dial material. Some patients which had less than one micro- gram of radium had severe bone changes or tumor formation, L4