PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32486995-8 2020 Buprenorphine, fentanyl, hydromorphone, morphine, naloxone und tapentadol are drugs with a high first-pass effect, while the bioavailability of methadone, oxycodone and tramadol is > 70 %. Tramadol 169-177 collagen type XIV alpha 1 chain Homo sapiens 59-62