Review Article
Risk of Contamination of Gametes and Embryos during Cryopreservation and Measures to Prevent Cross-Contamination
Figure 4
(a) Culture dish showing contamination with S. minor in programmable LN2 freezer. (b) Contamination from the vapor phase of a dry shipper, which was stocked with LN2 contaminated with S. minor.
| (a) |
| (b) |