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. 2022 Apr 7;13:847240. doi: 10.3389/fendo.2022.847240

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Copyright © 2022 Derosa, D’Angelo, Preti and Maffioli

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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IIEF (International Index of Erectile Function) questionnaire at baseline and after treatments. *p < 0.05 vs baseline; **p < 0.01 vs baseline; ^p < 0.05 vs placebo group; ^£P < 0.01 vs placebo group; °p < 0.05 vs Avanafil group; $p < 0.05 vs Blunorm forte goup. Score from 22 to 25: normal sexual activity. Score from 17 to 21 mild erectile dysfunction. Score from 12 to 16 mild-moderate erectile dysfunction. Score from 8 to 11 moderate erectile dysfunction. Score from 5 to 7 severe erectile dysfunction.