PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19894538-1 2009 OBJECTIVE: To study diterpenoid alkaloids from the roots of Aconitum recemulosum, and their inhibitory effects on PAF-induced platelet aggregation. Alkaloids 32-41 PCNA clamp associated factor Homo sapiens 114-117