RT Journal Article SR Electronic T1 The Transport of Tyrosine into the Human Brain as Determined with L-[1-11C]Tyrosine and PET JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2043 OP 2049 VO 32 IS 11 A1 Frits-Axel Wiesel A1 Gunnar Blomqvist A1 Christer Halldin A1 Irene Sjögren A1 Lars Bjerkenstedt A1 Nikolaos Venizelos A1 Lars Hagenfeldt YR 1991 UL http://jnm.snmjournals.org/content/32/11/2043.abstract AB