Upright versus lying down position in second stage of labour in nulliparous women with low dose epidural : BUMPES randomised controlled trial
Revue : British Medical Journal Auteurs :Debra Bick, Annette Briley, Peter Brocklehurst, Pollyanna Hardy, Lynn Lynch, Christine MacArthur, Phillip Moore, Mary Nolan, Oliver Rivero-Arias, Julia Sanders, Andrew Shennan, Matt Wilson. DOI : 10.1136/bmj.j4471