CONTENTS BACKGROUND ..0000 0... cece cceeccceece cece ces eeecaeene te ceees ee tote cesecescuateecceneeseneciesitgietstenseciesees 1 Summary of Past Findings... cet cere rete tetneesrneeseataeestteevaes 1 Penetrating Irradiation... ccc cece cec reese cee eee tiene ceeseeataeiecseseees l Beta Irradiation of the Skin... eect cc ences cette cieseererenes 2 Internal Irradiation ......0..000.. ccc ce cece cee cete cnet encase eesaeecaetaessteeeeesaes 3 PRESENT SURVEY220.00... 0ccccccceceeccncceesseecee cece coseeeeeeeseescnceneuiversiseaeeuesincecsesaceetesateecsetees 3 Background Material... cece cee teee cence cetetcen sete tetecetenetieienss 3 Organization... ieee te teens coc eeee seseaceetate siecasnesstenenaneeetes 3 Difficulties Associated with the Examinations....000..00000000 0 cee 6 Comparison Populations... ccc ee cnecersecneteteeteceenenanieneness 6 Procedures... ceccceeeenenectereeneeseyessssunsssesssnnsasaseninsnsesressessaresssses 6 Finangy oon. ccc ceee cee ceee ese eceeeeceeetececaeveeecesesvsese suagacaeceeviseesesecaesteeeeseneacnevas 8 Living Conditions... cee cece cece ceseeeeerenserenecnesseeeetanecseeseeentee 8 Interval Medical History... ccc ececceeeeeeeceeeeeeeneeecneeeseneeeneeneenens 8 Physical Examinations. ..0.000.0000.00ccccccccccecccccceecceceteecuteeecsesscseeeesenssieeaeeaees 9 Growth and DevelopmentStudies....00.0.0.000.00 ccc eee teeter 10 Ophthalmological Examinations....0.000000000. 00 cc cece eeeeeee seen eeteeenees 10 Examination of the Skin... cece ce cceceseceee ects cetesaeeceeneeeneanes li Laboratory Examinations.....0.00.00..0000ccccceeccceeeseeee seen sens cnecnstetereeentens 11 Body Burdens of Radionuclides .....0.00.0.00 ccc ceeeceee tee see teceatetentatens 21 DISCUSSION 2.0. ...c sees ceccccecceeeceeseeae sete ceecueeeececucnecaeeceseneecieteceecaesuteccsessustcteeceasieenatenseasaees 28 Acute and Subacute Effects... cece ccc eeec eee cee eeceecsceceeteteetetensceeeees 28 Late Effects... cece ccc cee ccsencececeneeseaeeeeeeaesecsessaeeeeecsessnetiecenseeseeseeneeeeensne 29 Findings Common to Both Exposed and Unexposed Groups..................5 30 Radiation Ecological Studies... cece cscs cseeeeteceeeeeseseectetesetatietensiees 31 SUMMARY200000. cceccececsesnecsen esac eveceeseieeesseeesaneatecssssnagansnanenenseserersiciesevetseseneeeteeaataes 32 ACKNOWLEDGMENTS. 000.00. .0 cece cccceeeceetecee eens ceceeeeceeecrcsecsetiecatiecusetetatiecesetietatiesteaterees 33 REFERENCES. 00.0.0 0..0 cece cccc cece seee nese coescns sess ceeecansaetcaesescesssesstesieistsessistaatesissssteatetees 34 ill

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