00658nam a22002172  4500001001300000003000500013005001700018008004100035040001800076086002600094099002600120245007000146260003000216300000700246500004700253500004400300650002200344710003700366949001800403999001900421hsl001006159DGPO20170826152549.0170110s1974    dcu          f000 0 eng d  aGPOcGPOdMvI0 aHE 20.3161/A:C 177/26  aHE 20.3161/A:C 177/2600aEvidence against a direct carcinogenic effect of X-rays in vitro.  a[Washington, D.C.,c1974]  av.  aReprinted from JNCI, v.52, no.4, Apr 1974.  aCRDP Program Historic Shelflist record. 0aCancerxResearch.2 aNational Cancer Institute (U.S.)  aBEVbFed Docs  c264234d264234