b, Present practices in medical diagnostic radiology should be reviewed with the object of clarifying the indications for different special types of examination now being carried out and defining mere closely, both in relation to the patient and to the operators, the conditions which should be observed in their performance. This says, in effect, "let's tighten up on unnecessary exposures." c. The uses of radiotherapy in non-malignant conditions should d. The small amounts of irradiation from miscellaneous sources, be critically examined -- again, a warning to tighten up on unnecessary exposures, such as x-ray machines used for shoe fitting, luminous watches and clocks, and television apparatus should be reduced as far as possible. They end with a plea for better vital statistics. No comparable . recommendation appears in the National Academy of Sciences report. NAS ROR Bate . R oy a SAVE and ACK s “THE COL F TH LECTIO Ns