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References from Evolutions in the management of severe male infertility. Local targets link to admitted publications; unresolved targets remain external evidence.
Extended sperm preparation: an alternative to testicular sperm extraction in nonobstructive azoospermia
10.1093/humrep/12.6.1222 · 1997 · External reference
Successful cryptozoospermia management with multiple semen specimen collection
10.1016/j.fertnstert.2023.07.019 · 2023 · External reference