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. 2017 Mar 28;8:177. doi: 10.3389/fphys.2017.00177

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Copyright © 2017 Condorelli, La Vignera, Giacone, Iacoviello, Mongioì, Li Volti, Barbagallo, Avola and Calogero.

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) or licensor 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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nAChR subunits mRNA expression by RT-PCR in human spermatozoa. Sample (A): pellet of raw semen; Sample (B): pellet following swim-up (total immotile cells); Sample (C): motile spermatozoa separated by swim-up.