PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8160875-5 1994 The principal new observation is that these insulin-induced vasodilatory responses were not attenuated by concomitant propranolol or atropine infusion, nor were they potentiated by prazosin administration. Prazosin 181-189 insulin Bos taurus 44-51