The effects of ankaferd blood stopper and microporous polysaccharide hemospheres on epidural fibrosis in rat laminectomy model oleh Rafet Özay, Osman Yüksel Yavuz, Mehmet Erhan Türkoğlu, Abit Aktaş, Funda Yiğit, Hacı Mustafa Özdemir, Zeki Şekerci