CONTENTS Results and Discussion .........0...000ccccccccc cece ceee cent tetee tee eecseesesecreetietetttecreseeecitsteeien 12 Interval Medical History ......0....00.00cccecee cece eete cece eeee sete e tt ececeeeecteettneeetne ey 13 Adult Examinations.....00..cccccccccccccccctee cence tneees cee nieteeeeeetetenetnseeneetieeeieetee 14 Cancer Detection Survey ........0000. ccc ccree eens eeeeecetseentneeenteetenntees 14 Pediatric Examinations vee teeeeeececeeueeecdeeeceseeneeeeeecseecseeieeeeeeneeeeccreeeestieeseeeentnteeees: 16 Growth and Development... cece ee eee tetee eee tee netseee 16 Leukemia Survey... ccc ccc cee certceteccseccne ersten iteeteesctececisecneeensieeneeeens 22 Studies of Aging Criteria... ccc cc ceccnseeetecenettentteesenaeeereneneeneenie 22 Residual Beta Burms.....0...000.0.000c cece ceecceeceee eee ceee centre cnet eteeeeestessateestnpeseneetntey 22 Dental Survey... cccccccccccce cece ce ccseeteetentetscceeeusessseettieetittetesseccnasestsenneee 22 Laboratory Examinations.....0.....0000000cccccccceceeee eee cececeeceecsteecereeeneeescsisteseneteeentreeens 26 Hematological... 2.00. ccccc cee cee scence cee teceee tee ceceeeeeeeeteuseeeneieeeeseieeeesneeeeneeey 26 Other Laboratory Studies.....0.000000000 occ eee ccee cece eccettetttt ees eeeeeneeeen civens 33 Studies of Genetically Inherited Traits............ec eceeeeeeeeceeeecndestceeeeteestteeees 34 Estimation of Internal Body Burden of Radionuclides. ..........000...00cc ccc 34 Background... cece cece cece ct ene cnee cess ceteeeeeeeeeecesnecenteseetiesvesetteeeneee: 34 Method... cece eee e cece cece eeeceeeecnteeccusscseresseeeeeey eeeteceeeeeettteteeenen 35 iy SAe7520