PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6229546-6 1984 The presence of fibrinogen, beta TG, and PF4 in corresponding large intracellular vacuoles and along the platelet plasma membrane after thrombin stimulation was demonstrated by immunocytochemical techniques in saponin-permeabilized and nonpermeabilized platelets. Saponins 210-217 coagulation factor II, thrombin Homo sapiens 136-144