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Endoscopic view of the right olfactory epithelium with the sites of PRP injection depicted by the two asterisks. A 1‐mL PRP was injected on each side of the nasal cavity and was split into two injections, first along the superior septum just posterior to the head of the middle turbinate and then again about 1 cm posteriorly into the septum across from the leading edge of the superior turbinate
