Proposal of guidelines for the appraisal of SEMen QUAlity studies (SEMQUA)

M C Sánchez-Pozo, J Mendiola, M Serrano, J Mozas, L Björndahl, R Menkveld, S E M Lewis, D Mortimer, N Jørgensen, C L R Barratt, M F Fernández, J A Castilla, Special Interest Group in Andrology of the European Society of Human Reproduction and Embriology