b, Present practices in medical diagnestic radiology should be reviewed with the object of clarifying the indications for different special types of examination now being carried out and defining more 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 be critically examined -- again, a warning to tighten up on unnecessary exposures. dad. The small amounts of irradiation from miscellaneous sources, such as x-ray machines used for shoe fitting, luminous watches and clocks, and television apparatus should bé reduced as far as possible. They end with a plea for better vital statistics. No comparable . recommendation appears in the National Academy of Sciencts report. NAS