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<http://webisa.webdatacommons.org/74167501>	<http://www.w3.org/ns/prov#value>	"Niu Xiaowei X Lanzhou University. - - 2014 Whether drug-eluting stents with biodegradable polymers (BP-DES) improve safety, especially with respect to stent thrombosis (ST) compared with permanent polymers DES (PP-DES), remains uncertainty." .
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