5.4.1. Incomplete Population Identification .............- 2c eee eee eeee 32 5.4.3. 5.4.4 Possible Exposure Misclassification ..........-.0 eee eecsecenee 34 Pooled Exposure Data ......... 0... cece eee cnc teen tence 34 5.4.2 5.45 5.4.6 5.4.7 5.4.8 5.4.9 Duration of Follow-Up ........... 0... cece cc cee were eneee 33 Uncertainties in Instrument Calibration ...............0.00eeeeee Possible Case AscertainmentBias. ............... 2 ccc eeeeccees Lack of Detailed Environmental/Lifestyle Data: ................. Lack of Statistical Power... ...... 0... cece ee ewer e erence Possible Selection Bias. 2.1.2... . cece eee ee cect cece eee eeee 34 34 35 35 36 5.4.10 Pre-existing Health Status of the Marshallese. ...............62-- 36 6. ADVANCES IN RADIATION DOSIMETRY............ 0:2 cece cece cee ecees 6.1 6.2 Radiation Dosimetry: Physical Methods .............. eee cee eeceecees 37 6.1.1 External Whole-Body Dosimetry ............ 2.0 cece eee e ee eeees 37 6.1.2 Skin Dosimetry ......... 00. e cee cere cere e een nenes 38 6.1.3 Internal Radiation Dosimetry .......... 0... cece eee eee eee ee 38 Radiation Dosimetry: Biomarkers ............ 0. cee cece eee e eee eeaee 39 6.2.1 6.2.2 6.2.3 7. Limitations of the Technique ............ 0... cece cece ee ee eees 40 The Need for Baseline Data ........ 20... . cece eee eee eee eens 41 Preservation of Tissue .......... 22. e cee cee eee nee e ere eeeeee 41 RECOMMENDATIONS FOR FUTURE FOLLOW-UP ..............2ceeees 42 7.1 7.2 73 42 42 43 43 44 44 44 46 46 46 46 7.4 8. 37 General Recommendations .............. 00.2 cece eee e cece ec eenes The Basis for the Recommendations .............0... 2c cece eee ce cee Medical Surveillance. 2.0... 0... cece cee cece e ee cence eee eeees 7.3.1 End-points of Interest. ........ 2... ec eee eee ee eee eee Specific Recommendations ........... 0 cece cece cece cee ces eenes 7.4.1. The Medical Surveillance Team... ........... 20. c eee e eee 7.4.2 The Scope of the Periodic Medical Evaluations ................-.. 7.43 Vital Records ...... 0... cece cece eee cece eee ee eeees 7.4.4 Medical Records ........ 0... ccc cece eee eee cece ee eeaes 7.45 Quality Assurance ....... 0... cc ccc eee eee eee tne enees 7.4.6 Other Procedures Considered but not Recommended .............. CONCLUSIONS .... 2... ec cece cece cee cece ete ent e tte eesececene 49 REFERENCES ...... eee ee nee eee nee eee e ete e eens eee eeeeeeeaes 50 SUEZ uuu