title: From pilot tests to policy: the dilemma of extremely preterm infant viability.
authors.forename: G R
authors.initials: GR
authors.lastname: Alexander
authors.forename: D J
authors.initials: DJ
authors.lastname: Petersen
mesh_terms: D003625:Data Collection; D005328:Fetal Viability; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D010865:Pilot Projects; D011050:Policy Making