<http://schema.org/name>
"Th\u00F4ng tin b\u1EC7nh, y h\u1ECDc, s\u1EE9c kh\u1ECFe"^^<http://www.w3.org/2001/XMLSchema#string>
<http://benh.vn/Dinh-Duong/4-nguyen-to-quan-trong-cho-doi-mat-cua-tre/96/1950/11-7-2012.htm>