PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9359588-6 1997 In contrast, the L-type Ca2+ channel blocker nifedipine inhibited high threshold Ba2+ currents by 15% and failed to block the inhibitory effect of DAMGO or DPDPE. Nifedipine 45-55 bone area 2 Mus musculus 81-84