Left atrial ball thrombus: apparent detachment following initiation of anticoagulant therapy.

@article{Wrisley1988LeftAB,
  title={Left atrial ball thrombus: apparent detachment following initiation of anticoagulant therapy.},
  author={D Wrisley and Alessandro Giambartolomei and Itzhak Levy and W T Brownlee and I Lee and John Erickson},
  journal={American heart journal},
  year={1988},
  volume={116 5 Pt 1},
  pages={1351-2}
}