Luminal fluid of epididymis and vas deferens contributes to sperm chromatin fragmentation.
Gawecka JE, Boaz S, Kasperson K, Nguyen H, Evenson DP, Ward WS. Luminal fluid of epididymis and vas deferens contributes to sperm chromatin fragmentation. Hum Reprod. 2015 Dec; 30(12):2725-36.