chất xơ

http://vietbao.vn/Suc-khoe/Vai-tro-cua-chat-xo-trong-dinh-duong-hop-ly/40059815/248/

http://www.thuviengiadinh.com/dinh-duong/am-thuc/vai-tro-cua-chat-xo-voi-suc-khoe
http://www.ykhoanet.com/duoc/dinhduong/05_0178.htm