![A randomized, placebo-controlled trial of betamethasone for the prevention of respiratory distress syndrome at 24 to 28 week's gestation]()
A randomized, placebo-controlled trial of betamethasone for the prevention of respiratory distress syndrome at 24 to 28 week's gestationGarite, Thomas J.; Rumney, Pamela J.; Briggs, Gerald G.; Harding, James A.; Nageotte, Michael P.; Towers, Craig V.; Freeman, Roger K. · American Journal of Obstetrics and Gynecology · 1992