PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16278840-3 2006 Validation of the putative positron emission tomography method included regional distribution, positive correlation with age, and attenuation by the nonselective cholinesterase inhibitor physostigmine, but no attenuation by the AChE-selective inhibitor donepezil. Physostigmine 187-200 butyrylcholinesterase Homo sapiens 162-176