CONTENTS INTRODUCTION. 2000... 0 ceccecc cence cet cc reece eee tte e ene cee ce eeneeresseesnecepcreneeseenesaetesnenieseernreaeens 1 SUMMARYOF PAST FINDINGS...0..0..0.00. 000s ccccccccccceceeeeeneceeee serie teceseseuetisnesassreaeensaeaeess 2 Penetrating Irradiation ...........0.0000. 0c cece ect tec ces ceee terse tee ctee ce cneeneceaecaeeaecnaeenenes 2 Beta Irradiation of the SKIN... cece ceseneccece cee neteeeneveteeeeeneeeeeneeeesarenesaetanes 3 Internal Trradiation 2... cece ecceecccceeccencceeeeeceseuceesensenseseeuseciesseeseesessenenetaees 3 Other Studies... cece tee ceees cece ceceeenecasveeeecnevsenseseseceseseitecssesasieveseeeeenes 4 Difficulties Associated With the Examinations. ........0..0.0..00cc:cceceeeseesereeseesees 4 Comparison Populations........0.00.00.00.0: cesses ees enee rene caeee cates eecsecsereteseeteeeeenienenes 4 1959 SURVEY... ieee eee tee cee eeceecee cae eeeseseeeneteseaveenseasaeceeseavaatessetegeeseeeeenenteee 4 Background Material........0...ccccccccc cece cee ecneeeeneeeeceenenteetesaseeticeetessveeteeeeeenes 4 Organization... ccc sccesenececeeeeeteeesecssaenestecieeeceenececeteeesesseaevesaenecieeetsesesees 4 Attitudes of Rongelap People... cece cere rne cee etee ere eteteteteneeniens 6 Procedures........ciccccccesecseeeeeseceee cues cesececenecneveeensensesateeseiaeciscersussursecresesenenseseesees 7 Location of Examinations... 00 cc ccccceeeeeceeseeecaeeeeerenesnesneeneseecenesnreeeaees 7 History and Physical Examinations.....0...0.000.00ccceccccccsee ces eeseneeeeenseetetereneenaees 7 Studies of Aging Criteria... cece ccceeeneeseneeee ne eenter te ieesneteres 10 Laboratory Procedures............0...0ccecccccceee cess cece eens eeee sense caaevatenaeecuseeateeseeneeeas 12 Studies of Genetically Inherited Characteristics......0..0.0.0.00cceeeeeeeseeenes 13 Radionuclide Body Burden Evaluation....0...0.....0 cece eee eee eresneeteeneeneens 14 50 i051 iil