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Hu, CT. Cotton pledget packing versus topical spray for nasal preparation: merits and demerits are answered by a strict randomized controlled trial. Eur Arch Otorhinolaryngol 270, 1763–1764 (2013). https://doi.org/10.1007/s00405-012-2312-0
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DOI: https://doi.org/10.1007/s00405-012-2312-0