Balki, M.; Carvalho, J.C.A. (July 2005). "Intraoperative nausea and vomiting during cesarean section under regional anesthesia". International Journal of Obstetric Anesthesia. 14 (3): 230–241. doi:10.1016/j.ijoa.2004.12.004. ISSN0959-289X. PMID15935649.
Maranhao, B.; Liu, M.; Palanisamy, A.; Monks, D. T.; Singh, P. M. (2020-12-17). "The association between post‐dural puncture headache and needle type during spinal anaesthesia: a systematic review and network meta‐analysis". Anaesthesia. 76 (8). Wiley: 1098–1110. doi:10.1111/anae.15320. ISSN0003-2409. PMID33332606.
Balki, M.; Carvalho, J.C.A. (July 2005). "Intraoperative nausea and vomiting during cesarean section under regional anesthesia". International Journal of Obstetric Anesthesia. 14 (3): 230–241. doi:10.1016/j.ijoa.2004.12.004. ISSN0959-289X. PMID15935649.
Maranhao, B.; Liu, M.; Palanisamy, A.; Monks, D. T.; Singh, P. M. (2020-12-17). "The association between post‐dural puncture headache and needle type during spinal anaesthesia: a systematic review and network meta‐analysis". Anaesthesia. 76 (8). Wiley: 1098–1110. doi:10.1111/anae.15320. ISSN0003-2409. PMID33332606.
Balki, M.; Carvalho, J.C.A. (July 2005). "Intraoperative nausea and vomiting during cesarean section under regional anesthesia". International Journal of Obstetric Anesthesia. 14 (3): 230–241. doi:10.1016/j.ijoa.2004.12.004. ISSN0959-289X. PMID15935649.
Maranhao, B.; Liu, M.; Palanisamy, A.; Monks, D. T.; Singh, P. M. (2020-12-17). "The association between post‐dural puncture headache and needle type during spinal anaesthesia: a systematic review and network meta‐analysis". Anaesthesia. 76 (8). Wiley: 1098–1110. doi:10.1111/anae.15320. ISSN0003-2409. PMID33332606.