RT Journal Article SR Electronic T1 Radioactive Iodine Treatment and Cancer Mortality in Hyperthyroid Patients: Concerns with Study Design and Bias JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP jnumed.119.234849 DO 10.2967/jnumed.119.234849 A1 Chen, Wengen A1 Dilsizian, Vasken YR 2019 UL http://jnm.snmjournals.org/content/early/2019/10/03/jnumed.119.234849.abstract AB