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Effectiveness of Vapocoolant Spray on Venipuncture Pain in Young Male Donors
Aim: The aim of this study is to assess the effectiveness of vapocoolant spray in reducing pain related to venipuncture in young, healthy male blood donors. Hypotheses: H1: Vapocoolant spray reduces venipuncture pain during blood donation. H0: Vapocoolant spray does not reduce venipuncture pain during blood donation.
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