TY - JOUR T1 - Risk of Breast Cancer in Patients with Thyroid Cancer Receiving <sup>131</sup>I Treatment: Is There an Immortal Time Bias? JF - Journal of Nuclear Medicine JO - J Nucl Med SP - 1324 LP - 1324 DO - 10.2967/jnumed.116.173641 VL - 57 IS - 8 AU - Kuan-tin Chen AU - Yu-Wen Hu Y1 - 2016/08/01 UR - http://jnm.snmjournals.org/content/57/8/1324.1.abstract N2 - ER -