Excellent summary of the Basics (part 1) and in more depth (part 2) from the stemlyns team.
Find LOADS more notes and discussion on http://stemlynsblog.org/get-noac-knowhow-novel-oral-anticoagulants-part-1/ and http://www.stemlynspodcast.org/e/noacs-part-2/
Search for stemlyns in itunes or your podcast manager to download to your phone/tablet etc.