Alfirevic Z, Elbourne D, Pavord S, Bolte A, Van Geijn H, Mercier F, Ahonen J, Bremme K, Bødker B, Magnúsdóttir EM, Salvesen K, Prendiville W, Truesdale A, Clemens F, Piercy D, Gyte G. Obstet Gynecol. 2007 dic;110(6):1270-8. Resumen
Alfirevic Z, Elbourne D, Pavord S, Bolte A, Van Geijn H, Mercier F, Ahonen J, Bremme K, Bødker B, Magnúsdóttir EM, Salvesen K, Prendiville W, Truesdale A, Clemens F, Piercy D, Gyte G. Obstet Gynecol. 2007 dic;110(6):1270-8. Resumen