1. Contribution of preterm delivery to perinatal mortality;Rush;Br Med J,1976
2. Effect of Oestrogens, Progestogens and Betamimetics in pregnancy;Anderson,1982
3. Fetal preventive medicine;Turnbull,1985
4. Basic research and clinical experience with β-adrenergic tocolytics in the United States;Creasy,1984
5. Effect of beta-mimetics on maternal physiology;Grospietsch,1984