1. Premature delivery of foetal lambs infused with glucocorticoids;Liggins;J Endocrinol,1969
2. Acceleration of appearance of pulmonary surfactant in the fetal lamb by administration of corticosteroids;DeLemos;Am Rev Respir Dis,1970
3. Accelerated appearance of pulmonary surfactant in the fetal rabbit;Kotas;J Appl Physiol,1971
4. A controlled trial of antepartum glucocorticoid treatment for prevention of the respiratory distress syndrome in premature infants;Liggins;Pediatrics,1972
5. Prophylactic corticosteroids for preterm birth;Crowley;Cochrane Database Syst Rev,2000