RT Journal Article SR Electronic T1 Genotype–phenotype correlations in Marfan syndrome JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1750 OP 1752 DO 10.1136/heartjnl-2017-311513 VO 103 IS 22 A1 Benjamin J Landis A1 Gruschen R Veldtman A1 Stephanie M Ware YR 2017 UL http://heart.bmj.com/content/103/22/1750.abstract AB