Ragab, A., Facharzt, K. (2014). Caffeine, Is it effective for prevention of postdural puncture headache in young adult patients?. test, 30(2), 181-186. doi: 10.1016/j.egja.2013.11.005
Ashraf Ragab; Khalid Noman Facharzt. "Caffeine, Is it effective for prevention of postdural puncture headache in young adult patients?". test, 30, 2, 2014, 181-186. doi: 10.1016/j.egja.2013.11.005
Ragab, A., Facharzt, K. (2014). 'Caffeine, Is it effective for prevention of postdural puncture headache in young adult patients?', test, 30(2), pp. 181-186. doi: 10.1016/j.egja.2013.11.005
Ragab, A., Facharzt, K. Caffeine, Is it effective for prevention of postdural puncture headache in young adult patients?. test, 2014; 30(2): 181-186. doi: 10.1016/j.egja.2013.11.005