vivo 4dDecrease quantity for OS- Ai Vivo 4D + 2D Increase quantity for OS- Ai Vivo 4D + 2D. Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policymicroscopy for in vivo 4D imaging of zebra fish heart beating Meng Zhang 1 , Renjian Li 1,2 , Songnian Fu 3 , Sunil Kumar 4 , James Mcginty 4 ,YuwenQin 3 and Lingling Chen 2