RT Journal Article SR Electronic T1 Effect of Caffeine on Myocardial Blood Flow at Rest and During Pharmacological Vasodilation JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2016 OP 2021 VO 36 IS 11 A1 Morten Böttcher A1 Johannes Czernin A1 Karl T. Sun A1 Michael E. Phelps A1 Heinrich R. Schelbert YR 1995 UL http://jnm.snmjournals.org/content/36/11/2016.abstract AB