Elsayed, R., Abd El Kareim Eldahshan, T. (2017). Comparative study between ultrasound guided tap block and paravertebral block in upper abdominal surgeries. Randomized controlled trial. test, 33(1), 83-89. doi: 10.1016/j.egja.2016.08.018
Ruqaya M. Elsayed; Tarek Abd El Kareim Eldahshan. "Comparative study between ultrasound guided tap block and paravertebral block in upper abdominal surgeries. Randomized controlled trial". test, 33, 1, 2017, 83-89. doi: 10.1016/j.egja.2016.08.018
Elsayed, R., Abd El Kareim Eldahshan, T. (2017). 'Comparative study between ultrasound guided tap block and paravertebral block in upper abdominal surgeries. Randomized controlled trial', test, 33(1), pp. 83-89. doi: 10.1016/j.egja.2016.08.018
Elsayed, R., Abd El Kareim Eldahshan, T. Comparative study between ultrasound guided tap block and paravertebral block in upper abdominal surgeries. Randomized controlled trial. test, 2017; 33(1): 83-89. doi: 10.1016/j.egja.2016.08.018