PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15803497-1 2005 Three metabotropic glutamate receptor subtype 5 (mGluR5) PET tracers have been labeled with either carbon-11 or fluorine-18 and their in vitro and in vivo behavior in rhesus monkey has been characterized. Fluorine-18 112-123 glutamate receptor, ionotropic, kainate 1 Mus musculus 49-55