Pencil-point needles and combined spinal epidural block. Why needle through needle?

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Comment

G N Morris et al. Anaesthesia. 1998 Nov.

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. 1998 Nov;53(11):1132.

No abstract available

Comment in

Combined spinal epidural anaesthesia.
Cook TM. Cook TM. Anaesthesia. 1999 Mar;54(3):299-300. doi: 10.1046/j.1365-2044.1999.0811g.x. Anaesthesia. 1999. PMID: 10364875 No abstract available.
Combined spinal epidural anaesthesia.
Visser WA. Visser WA. Anaesthesia. 1999 Mar;54(3):300. doi: 10.1046/j.1365-2044.1999.0811h.x. Anaesthesia. 1999. PMID: 10364876 No abstract available.
Safety and technique with pencil-point subarachnoid needles.
Bromage PR. Bromage PR. Anaesthesia. 1999 Apr;54(4):397. doi: 10.1046/j.1365-2044.1999.00865.x. Anaesthesia. 1999. PMID: 10455849 No abstract available.

Are pencil point needles safe for subarachnoid block?
Collier CB, Turner MA. Collier CB, et al. Anaesthesia. 1998 Apr;53(4):411-2. Anaesthesia. 1998. PMID: 9613321 No abstract available.