TY - JOUR AU - King, J F; Grant, A; Keirse, M J; Chalmers, I TI - Beta-mimetics in preterm labour: an overview of the randomized controlled trials JO - Br J Obstet Gynaecol. VL - 95 PY - 1988 DO - 10.1111/j.1471-0528.1988.tb06860.x L3 - PubMed-ID: 2897207 SP - 211 EP - 222 ER -