Wall Street Journal--Clot Risk Is Seen in Some Heart Valves

[johnnycake23]

I just saw this yesterday. If this article was already posted somewhere else, please disregard.

Unfortunately, I think now you have to log in with WSJ to see entire article. Maybe someone knows a workaround.

Thanks.

http://www.wsj.com/articles/clot-risk-is-seen-in-some-heart-valves-1444097915