Randomised comparison of uterine artery Doppler and aspirin (100 mg) with placebo in nulliparous women: the Essai Régional Aspirine Mère-Enfant study (Part 2) - Subtil, D; Goeusse, P; Houfflin-Debarge, V; Puech, F; Lequien, P; Breart, G; Uzan, S; Quandalle, F; Delcourt, YM; Malek, YM; Essai Régional Aspirine Mère-Enfant (ERASME) Collaborative Group. (BJOG, 2003)