Table 3. Distributions of 4 Antigen B3 (AgB3) cDNAs in 30 clones randomly selected from each transformation of PCR products amplified from five stages of E. granulosus.

EgAgB	Stages
	ONC	CW	PSC	IAW	MAW
AgB3/1	19	20	25	28	27
AgB3/2	11	10	4	2	3
AgB3/3	0	0	0	0	0
AgB3/4	0	0	1	0	0

Note: ONC, oncosphere; CW, hydatid cyst membrane; PSC, protoscolex; IAW, immature adult worm; MAW, mature adult worm.