How to hide children from the teaser?

Hi,

I have two node types - A and B. One A-node can have zero, one or many B-nodes.

I am using a view to display the children nodes. I want to display the children only when the full A node is displayed. I would like to hide the children from the teaser of the A-node. That is when users browse through the A-nodes. they will see information specific to A-type only. When they click on a A-node, they will see the B-nodes listed under the A-parent.

How can I do this?

Thanks!