nae ae mn ABR a ee ametk a RP amem eeame om | T ‘ T THYROIDAL UPTAKE OF [-131, % per qram T 30.0 1S CHILD ar a INFANT AOULT u Nn Qo \o wo o ° f "'TTTTT YT T 20.0 T T 23.0 FETAL AGE, in weeks Fig. 2. age. Thyroidal uptake of 131, From Evans et al. (10). J LJ . 1000+ @ ° . lJ ' qT ese T qT J @e L 1 i 7 _ = Xv = e 4 © 7 e 7 = SOOr * - 4 * ; e I rr) 3. I o 2 to dose. g-47-7¢ @ BENIGN TUMORS Ww CANCER 3 Fig. (% per gram) versus l 1 { 1 a? 1 o @ * ? 5 YEARS AFTER EXPOSURE 20 * i Time of appearance of thyroid tumors related 9-1032-76 ae , ot eee, \ Lat Ay ¥ + m ' f- Fi 254