N	Concordance
1	       narrow collimated beams from 201 cobalt-60 sources. The technique, which 
2	    weeks. High-dose-rate (100 cGy/min) cobalt-60 afterloading therapy       
3	 2 through 4 were subjected to external cobalt-60 gamma-ray irradiation through 
4	e the effects of postoperative external cobalt-60 beam irradiation on nerve rege
5	  When the vulva or groin was involved, cobalt-60 or high-energy electron 
6	 reported for 25 dogs given 46-48 Gy of cobalt-60 radiation to the whole brain, 
7	elerators or from radioisotope decay of cobalt 60 and are commonly used to irrad
8	t is the explanation for the changes to cobalt-60 tissue-air ratios in BJR Suppl
9	ll the       patients were treated with cobalt 60 beams; the daily dose was 2 Gy