<http://schema.org/alternateName>
"cytotrophoblast\u306B\u304A\u3051\u308B\u6838\u5185\u7532\u72B6\u817A\u30DB\u30EB\u30E2\u30F3\u53D7\u5BB9\u4F53\u306B\u3064\u3044\u3066\u306E\u7814\u7A76"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ci.nii.ac.jp/naid/500000088787>