Double versus single blastocyst biopsy and vitrification in preimplantation genetic testing (PGT) cycles: protocol for a systematic review and meta-analysis of clinical and neonatal outcomes. - Vireque, Alessandra A.; Stolakis, Vasileios; Berteli, Thalita S.; Bertero, Maria C.; Kofinas, Jason (Systematic Reviews, 2025)