<http://schema.org/name>
"Natural killer(NK)\u7D30\u80DE\u306Eheterogeneity\u306B\u95A2\u3059\u308B\u57FA\u790E\u7684\u7814\u7A76"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ci.nii.ac.jp/naid/500000012065>