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          Reg Anesth Pain Med · Jan 2019 Ultrasound-guided maxillary nerve block via the pterygopalatine fossa: anterior versus posterior infrazygomatic approach.- Patricia Alfaro-de la Torre, Sergi Boada Pie, Mario Fajardo Perez, and Emilio González-Arnay.
- Chronic Pain Unit, Hospital Joan XXIII, Tarragona, Spain alfarotp@gmail.com.
- Reg Anesth Pain Med. 2019 Jan 23.
 no abstract available Notes
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