Alvarez Juan G, Ollero Mario, Larson-Cook Kjersten L, Evenson Donald P
Fertil Steril. 2004 Mar;81(3):712-3. doi: 10.1016/j.fertnstert.2003.11.010.
A cryopreserved sperm sample with a low level of DNA fragmentation was used for intracytoplasmic sperm injection and resulted in a twin birth from a couple with a 10-year history of idiopathic infertility.