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Comment
. 2011 Sep-Oct;36(5):521; author reply 521-2.
doi: 10.1097/AAP.0b013e3182256325.

Absence of proof is not proof of absence

Kenneth C Cummings 3rd, Edward J Mascha
Comment

Absence of proof is not proof of absence

Kenneth C Cummings 3rd et al. Reg Anesth Pain Med. 2011 Sep-Oct.
No abstract available

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