CONTENTS Results and Discussion. ...000000.000000. coco oo oo occoeocccooec vob cece bebe cove cee vvvanteevetiveyevititens 12 Interval Medical History... occ cece sees ee cetetetetesctetteteeeeees 13 Adult Examinations.....0000.0000000000000.000000.......... ooo cb cee beeeareveveaeettieyereseeanes 14 Cancer Detection Survey... ee. oc teeveeeeeuteeteeeseuseeeeneeetees 14 Pediatric Examimations...0000 0c coccceccecececcceseeeeeeee coset eseteeteetseetenetseerene 16 Growth and Development... ooo oooeccocccocceceeeeettteettetettteeeeieee 16 Leukemia Survey... cccccccceecceceeeeeetectecetecesettsststerteeetiess a. 22 Studies of Aging Criteria... cc cece eres ettee tree reettetteneteee 22 Residual Beta Burns.....00..0.0000 000 ccccccceeeeeeeeecveeveseecteeeteeeetteteesueseeeeens 22 Dental Survey... ect cet cece e ect brer pteetetacteestititneceneseeete 22 Laboratory Examimations...0..00000 000 ieee cece eee cee eeetecccetettseeeetieseteteenees 26 Hematological... cece cece cece cnc eb cten ee cbbeestttecitesceccuttetteenessees 26 Other Laboratory Studies.......00000000 ooo cece cece ees eeteeeeeteceteertstesnnaes 33 Studies of Genetically Inherited Traits....00000 0.00.00 cecccctecteeesteeteeetetee 34 Estimation of Internal Body Burden of Radionuclides..........00...00000..0ce 34 Background........ eeeeteeeeeeeececteecec cess ees cceecneeeecceeessccenseseeeceneaeeeeseneieseeseceeentteeeess 34 Method... cece cece ccc ece cece tees e eee ccctteeetetaseestesesesteeeeenaeeweeeteeeetssecenees 35