title: Twin pregnancy, dyspnea, cyanosis, and a heart murmur.
authors.affiliation: Louisiana State University Health Sciences Center, New Orleans, Louisiana 70112, USA.
authors.forename: Omar K
authors.initials: OK
authors.lastname: Hallak
authors.forename: Frederick R
authors.initials: FR
authors.lastname: Helmcke
authors.forename: St Marshall
authors.initials: SM
authors.lastname: Amant
authors.forename: Daniel
authors.initials: D
authors.lastname: Bayhi
authors.forename: Lisa
authors.initials: L
authors.lastname: Diethelm
authors.forename: Glenn P
authors.initials: GP
authors.lastname: Kelley
authors.forename: D Luke
authors.initials: DL
authors.lastname: Clancy