by Ali Sakr Esa, W, Toma, I, Tetzlaff, J.E, Barsoum, S
Published in International journal of obstetric anesthesia (01.01.2009)

by Cata, J.P, Hanna, A, Tetzlaff, J.E, Bishai, A, Barsoum, S
Published in International journal of obstetric anesthesia (01.07.2009)

by O'Hara, J.F., Tetzlaff, J.E., Sintean, M.E., Mascha, E.J., Schubert, A.
Published in Anesthesia and analgesia (01.02.1998)