PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2571679-1 1989 Tyrosine hydroxylase (TH) is selectively expressed in catecholaminergic neurons and in chromaffin cells of the adrenal medulla. chromaffin 87-97 tyrosine hydroxylase Rattus norvegicus 0-20 2571679-1 1989 Tyrosine hydroxylase (TH) is selectively expressed in catecholaminergic neurons and in chromaffin cells of the adrenal medulla. chromaffin 87-97 tyrosine hydroxylase Rattus norvegicus 22-24