Do not let technician biases fool you: frozen sperm from any azoospermic man is as good as fresh for ICSI and easier for the couple.
Niederberger
Craig
C
D015925:Cryopreservation; D006801:Humans; D008297:Male; D009845:Oligospermia; D020554:Sperm Injections, Intracytoplasmic; D013094:Spermatozoa; D013737:Testis