The effect of Rhizoma Pinelliae,Rhizoma ET Radix Notopterygii,Radix Aspadagi and Cortex Meliae,on the aggregation of platelet,with ADP and collagen as inducing agents,was studied.

• 以ADP、胶原为诱导剂研究清半夏、羌活、天冬、苦楝皮对血小板聚集性的影响。