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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Data is expressed as mean ?? SEM. Statistical significance was evaluated using PASW Statistics 18 (SPSS Inc., Chicago, IL, USA) software, using paired t-test or Student's t-test unless otherwise is indicated.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com