00511nam a22001692  4500001001300000003000500013005001700018008004100035040001800076086002300094245008100117260003100198300000700229500004400236650002400280710003700304hsl001007399DGPO20170826152600.0170117s197u    dcu          f000 0 eng d  aGPOcGPOdMvI0 aHE 20.3161/A:SP 5300aSpleen focus-forming virus in friend and rausch leukemia virus preparations.  a[Washington, D.C.,c197-?]  av.  aCRDP Program Historic Shelflist record. 0aLeukemiaxResearch.2 aNational Cancer Institute (U.S.)