title: Invited commentary.
authors.affiliation: International Children's Heart Foundation, Villa Loreto, En Frente del Asilo de Ancianos, Las Colinas, Managua, Nicaragua. kathleennf@msn.com
authors.forename: Kathleen N
authors.initials: KN
authors.lastname: Fenton
mesh_terms: D000818:Animals; D001026:Coronary Artery Bypass; D005333:Fetus / Q000601:surgery*; D012756:Sheep