PT - JOURNAL ARTICLE AU - Alain Fraisse AU - Sébastien Hascoet AU - Aleksander Kempny TI - Closing atrial septal defects for prevention of stroke: how small is too small? AID - 10.1136/heartjnl-2021-320064 DP - 2021 Sep 11 TA - Heart PG - heartjnl-2021-320064 4099 - http://heart.bmj.com/content/early/2021/09/11/heartjnl-2021-320064.short 4100 - http://heart.bmj.com/content/early/2021/09/11/heartjnl-2021-320064.full