title: Marissa and Alyssa--new names in transplantation frontiers.
abstract: As the national media focused attention on teenager Anissa Ayala who received a transplant of marrow cells "donated" by her baby sister, Marissa, who was conceived for the purpose of providing the marrow, a less publicized unsuccessful transplant procedure performed on Alyssa Plum a month earlier probably poses a greater challenge to ethical analysis. The following articles describe both stories.
mesh_terms: D000328:Adult; D016026:Bone Marrow Transplantation / Q000592:standards*; D002140:California; D003657:Decision Making; D004992:Ethics, Medical; D005190:Family / Q000523:psychology*; D005306:Fertilization; D006801:Humans; D007231:Infant, Newborn; D014019:Tissue Donors / Q000523:psychology*