Comparison of the Free Radical Scavenging Activity of Six Iranian Achillea Species.Published in:Pharmaceutical Biology, 2006, v. 44, n. 3, p. 208, doi. 10.1080/13880200600686590By:Nickavar, Bahman;Kamalinejad, Mohammad;Haj-Yahya, Maher;Shafaghi, BijanPublication type:Article