Journal Article

Norman, Jane E., Mackenzie, Fiona, Owen, Philip, Mactier, Helen, Hanretty, Kevin, Cooper, Sarah, Calder, Andrew, Mires, Gary, Danielian, Peter, Sturgiss, Stephen, MacLennan, Graeme, Tydeman, Graham, Thornton, Steve, Martin, Bill, Thornton, James G., Neilson, James P. and Norrie, John. (2009) Progesterone for the prevention of preterm birth in twin pregnancy (STOPPIT): a randomised, double-blind, placebo-controlled study and meta-analysis. Lancet, Vol.373 (No.9680). pp. 2034-2040. ISSN 0140-6736