00718nam a22002292  4500001001300000003000500013005001700018008004100035040001800076074001400094086002200108245009600130260003000226300001300256490002800269500000900297500003800306500004100344500004400385650002200429710003700451hsl001008131DGPO20170826152610.0170124s1973    dcu          f000 0 eng d  aGPOcGPOdMvI  a0507-G-020 aHE 20.3168/3:EX 800aObjective 1, develop means to reduce effectiveness of external agents for producing cancer.  a[Washington, D.C.,c1973]  a[280] p.0 aNational cancer program  a4to.  a(DHEW publication (NIH) 74-584.).  aDistribution made by issuing office.  aCRDP Program Historic Shelflist record. 0aCancerxResearch.2 aNational Cancer Institute (U.S.)