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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
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  • Anticancer agents in periwinkle have been used to treat Hodgkin???s disease, leukemia, and cancer of the lungs, liver, and kidneys, along with other types of cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vitanetonline.com