المؤلفون: Fell, D.B., Dimanligh-Crez, S., Regan, A.K., Haberg, S.E., Christopher, A.G., Oakley, L., Alton, G.D., Torok, E., Dhinsa, T., Shah, P.S., Wilson, K, Sprague, A.E., El-Chaar, D., Walker, M.C., Barrett, J., Okun, N., Buchan, S.A., Kwong, J.C., Wilson, S.E., Dunn, S.I., MacDonald, S.E., Dougan, S.D.

المصدر: Obstetric Anesthesia Digest ; volume 43, issue 2, page 62-63 ; ISSN 0275-665X

الاتاحة: http://dx.doi.org/10.1097/01.aoa.0000927772.67746.a4
https://journals.lww.com/10.1097/01.aoa.0000927772.67746.a4