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Briefly, with the participants still lying on the bench in a semi-recumbent position following the biopsy collection, 15 ml of blood was sampled from an antecubital vein via a 20-gage Venflon and was immediately analyzed to assess the Hb concentration using the HemoCue Hb 201+ System (HemoCue AB, ngelholm, Sweden) and the Hematocrit (Hct) concentration in quadruplet via the micro-method (3 min at 13,500 rpm)

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Neasta, J., Ben Hamida, S., Yowell, Q

Using a substandard product may result in reduced efficacy or no noticeable changes in skin tone

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