RT Journal Article SR Electronic T1 Regional Methionine and Glucose Uptake in High-Grade Gliomas: A Comparative Study on PET-Guided Stereotactic Biopsy JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2002 OP 2002 VO 38 IS 12 YR 1997 UL http://jnm.snmjournals.org/content/38/12/2002.abstract AB