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Silvano Esposito, MD
Naples, Italy

Arch Otolaryngol Head Neck Surg. 1994;120(8):886.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Tutkun is right in observing a very significant difference in the dosage reported in our two studies. The exact concentration of ciprofloxacin that we used in both studies was 250 µg/mL, which we obtained dissolving the pure powder of ciprofloxacin in saline solution. The only difference concerning the dosage was in the quantity of drops used: the first study mentioned three drops and the second study mentioned four drops according to the further suggestions of ear, nose, and throat specialists who were participating in the study.

I am sorry for the misunderstanding. It was my fault as in the original manuscript that I sent to the ARCHIVES it was a typographic mistake (both in the "Materials and Methods" and in the "Comment" sections) where 250 mg/mL instead of 250 µg/mL was mentioned. I did not notice this error even when I verified the page proofs of the article. . . . [Full Text PDF of this Article]

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