URL	Title	Id
http://digfir-published.macmillanusa.com/lodish_animation/a2002_typeiv_collagen.html	Chapter 20. Type IV Collagen Assembly	519bca43b11c0f13680000b2
http://digfir-published.macmillanusa.com/lodish_animation/a2002_typeiv_collagen_dlap.xml	DLAP questions	519bca43b11c0f13680000b2