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. 2012 Apr 9;7(4):e35043. doi: 10.1371/journal.pone.0035043

Table 2. Development of oocytes fertilized with freeze-dried rat sperm stored at 4°C for 5 years.

No. of oocytes transferred No. (%) of oocytes implanteda No. (%) of offspringa
92 18 (20) 10 (11)
a

Percentages calculated from the number of oocytes transferred.