How to cite this article:
Palini S, De Stefani S, Primiterra M, Benedetti S, Barone S, Carli L, Vaccari E, Murat U, Feichtinger W. Comparison of in vitro fertilization outcomes in ICSI cycles after human sperm preparation by density gradient centrifugation and direct micro swim-up without centrifugation. JBRA Assist. Reprod. 2017; 21:89-93.