Yes! cloves do kill the eggs as well as the newly hatched worms.
Clove Oil is the best as it is concentrated and packs a bigger punch. However I did get results with full strenghth good quality cloves too.
You can get --for about $5.99 a bottle-- 100% pure Organic clove oil from NOW supplements http://www.nowfoods.com
I used a teaspoon of this this morning with a couple of drops of Black-Walnut hull tincture and got out alot of liver flukes this afternoon. That could be why, since yesterday I didnt pass anything.