| http://digfir-published.macmillanusa.com/hm_custom_osu/feige52793f12_lab12_exercise2.html | Chapter 1. Exercise: Blood Vessel Identification
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| http://digfir-published.macmillanusa.com/hm_custom_osu/feige52793f12_lab12_exercise2_dlap.xml | DLAP questions | 521e0a5a757a2e1b6500000e |