PT - JOURNAL ARTICLE AU - Catherine M Otto AU - Helmut Baumgartner TI - Updated 2017 European and American guidelines for prosthesis type and implantation mode in severe aortic stenosis AID - 10.1136/heartjnl-2017-312487 DP - 2017 Oct 07 TA - Heart PG - heartjnl-2017-312487 4099 - http://heart.bmj.com/content/early/2017/10/07/heartjnl-2017-312487.short 4100 - http://heart.bmj.com/content/early/2017/10/07/heartjnl-2017-312487.full