1. Effects of two rescue doses of a synthetic surfactant on mortality rate and survival without bronchopulmonary dysplasia in 700-1350 gram infants with respiratory distress syndrome;Long;J P EDIATR,1991
2. A controlled trial of synthetic surfactant in infants weighing 1250 g or more with respiratory distress syndrome;Long;N Engl J Med,1991
3. Double-blind, randomized, placebo-controlled Canadian multicenter trial of two doses of synthetic surfactant or air placebo in 224 infants weighing 500 to 749 grams with respiratory distress syndrome;Smyth;J P EDIATR,1995
4. Effects of two rescue doses of synthetic surfactant in 344 infants with respiratory distress syndrome weighing 750 to 1249 grams: a double-blind, placebo-controlled multicenter Canadian trial;McMillan;J P EDIATR,1995
5. One-year follow-up evaluation of 260 premature infants with respiratory distress syndrome and birth weights of 700 to 1350 grams randomized to two rescue doses of synthetic surfactant or air placebo;Gong;J P EDIATR,1995