INTRODUCTION.....000000000000000000 occ cette Leceee tees seteeneeses Summary of Past FInDInGs....0 00000000 ee. cnet ene teetee ceseene ce sateeataveeeesueseemeeaee baeeteetes nee cons Ce cee te ce tee veeteventtneses Penetrating Radiation... cece cece cece cecresceeecaeaeeneeat mneneeee vines cee cevetieaeees sees Beta Irradiation of the Skim. 000000 cece eee cee ce cccceeeecees ceneveceeener teeeetevenentettntessse Internal [rradiation........ ......... coees dese tyeevesevens cieeee scutveceescnnenes y veevesees bo eceeceeve seteneeeumees Other Studies. . ce dedepetee yp ceeee cetevecettvenetttnnss peer tees c 5 ceetengete Getty cee cette Geeenaes Difficulties Associated With the Examinations... be dete ee pened bee bye eetevavetvaveentass Comparison Populations... 00000 cece eect ce ee cneet tee eetntenstnteseeenenie ceeaeates sees ORGANIZATION. ee detec eee eceeete teceteeve Guecsteveetsss Gy dns veevers cae rr ver dees veteeeerese 1963 Survey (9 Years Post Exposure) .. 1964 Survey (10 Years Post Exposure)... Lo bee ttc cote bette tener vee PROCEDURES... wo occceeee vecguecieces tee se ventte Gusts vive staveeveste vitsee eens a Physical Examimations...00000000 00 ccc ccc cee ce eee Seeeteseeeete Co nee beeceey eu tee cecateeeeeteeeee Laboratory Procedures.....0...00 00000: beste tees bee Finpines... ce tee vente eee tenn y cetieettteeetetteees: Interval Medical History. decent cee gee ct n eet tnaeentieeectteyeeneengnee dee vcnaeeeuavevsieesiesggenenaeos queneerenees Illnesses... Births. . Congenital Anomalies. Cae be nee bee ee ete eee detetttetete eee Gaaveneereeeeeees Miscarriages and Stillbirths... .. ...... Lecdteettee Gusceieeeten tetveeetentets tee nets ce canteen eee eee Physical Examinations... ©0000 ee ee Adult Examinations... . - betes cee Anthropometric Studies. 20 ee Pediatric Examinations... 00.0 n, Children Examined 1963 Children Examined 1964. .... Lees Resuits of Physical Examinations Thyroid Nodules. oo Growth and DeveopmentSStudies.. Ophthalmological Findings... Residual “Beta Burns” Laboratory Examinations. Hematological Rongelap Population Leukocytes Neutrophils. Lymphocytes. Eosinophils, Monocytes, and i Basophis Platelets... Erythropoietic Elements. Staustical Analysis of Rongelap Blood Data Over Past Four Years. Alingnae Poputation Cunk Population ; Children of Exposed Parents Bone Marrow Examinations. . ; Red Cell Mass and Plasma Volume Studies |vee ee cece Bees wwn 4 Ouvunn — CONTENTS