S. Miller,E. F. Bergel,A. M. El Ayadi,L. Gibbons,E. A. Butrick,T. Magwali,G. Mkumba,C. Kaseba,N. T. Huong,J. D. Geissler and M. Merialdi. Non-pneumatic anti-shock garment (NASG), a first-aid device to decrease maternal mortality from obstetric hemorrhage: a cluster randomized trial. PLoS One. 2013;8(10):10.1371/journal.pone.0076477.