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10.1155%2F2013%2F640690
10.1155%2F2013%2F640690
https://api.crossref.org/works/10.1155%2F2013%2F640690
8e803a920281d26039783288ebbd13c61f25a4bb
P854
10.1155%2F2013%2F640690
https://api.crossref.org/works/10.1155%2F2013%2F640690