Table 1.

Details of the solution used for vitrification

	0.5 molar sucrose	Ethylene glycol	DMSO	20% FBS	Time
V.S. 1	+	+ (7.5%)	+ (7.5%)	_	10 min
V.S. 2	+	+ (15%)	+ (15%)	_	10 min
V.S 3	+	+ (15%)	+ (15%)	+	10 min