00720cam a22002052  4500001001300000003000500013005001700018008004100035040001800076074001400094086002000108245008800128260003000216300001100246500004100257500004600298500004400344650004600388710008000434hsl000782312DGPO20170826152516.0110120s1973    dcu          f000 0 eng d  aGPOcGPOdMvI  a0507-D-010 aHE 20.3102:EN 800aInterested in environmental health? :b[Operation MEDIHC would like to assist you].  a[Washington, D.C.,c1973]  a[2] p.  aDistribution made by issuing office.  aOblong 12mo folded into oblong 48mo size.  aCRDP Program Historic Shelflist record. 0aEnvironmental healthxStudy and teaching.2 aNational Institutes of Health (U.S.).bBureau of Health Manpower Education.