RT Journal Article SR Electronic T1 The pulmonary vasculature: Achilles heel of the Fontan circulation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1922 OP 1923 DO 10.1136/heartjnl-2019-316136 VO 105 IS 24 A1 Floris-Jan S Ridderbos A1 Tjark Ebels A1 Rolf M F Berger YR 2019 UL http://heart.bmj.com/content/105/24/1922.2.abstract AB