URLTitleId
http://digfir-published.macmillanusa.com/lodish_animation/a1703_myosin_motility.html519bca43b11c0f136800009e
http://digfir-published.macmillanusa.com/lodish_animation/a1703_myosin_motility_dlap.xml519bca43b11c0f136800009e