PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30508735-7 2019 Monoamine neurotransmitters, 8-oxo-7,8-dihydro-2"-deoxyguanosine, and gene and protein expression levels of p53 and Bax were significantly increased in the cerebrum of tramadol-induced rats. Tramadol 168-176 BCL2 associated X, apoptosis regulator Rattus norvegicus 116-119