PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1914371-6 1991 This effect could not be explained by any pharmacokinetic interaction between the two drugs and occurred even though phenylpropanolamine attenuated the epinephrine and renin response to caffeine. Phenylpropanolamine 117-136 renin Homo sapiens 168-173