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Ikeno, S., Nagano, M., Tanaka, S. et al. Gastric tube insertion under visual control with the use of the Pentax-AWS® . J Anesth 25, 475–476 (2011). https://doi.org/10.1007/s00540-011-1133-4
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DOI: https://doi.org/10.1007/s00540-011-1133-4