title: Viability of infants born at 22 to 25 weeks' gestation.
authors.forename: T A
authors.initials: TA
authors.lastname: Merritt
authors.forename: B R
authors.initials: BR
authors.lastname: Boynton
authors.forename: M
authors.initials: M
authors.lastname: Hallman
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000628:therapy*; D011663:Pulmonary Surfactants / Q000627:therapeutic use; D016896:Treatment Outcome
chemical_list: D011663:Pulmonary Surfactants