RT Journal Article SR Electronic T1 Prediction vs. Prognostication and Guarantee-Time Bias: Steering Clear of the Pitfalls of Interpreting Observational Data JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 990 OP 990 DO 10.2967/jnumed.115.168005 VO 57 IS 6 A1 Tim Van den Wyngaert YR 2016 UL http://jnm.snmjournals.org/content/57/6/990.abstract AB