Macrophage‐lymphocyte cell clusters in the hypothalamic ventricle of some elasmobranch fish: Ultrastructural analysis and possible functional significance

1. Torroba, M.
2. Chiba, A.
3. Vicente, A.
4. Varas, A.
5. Sacedón, R.
6. Jimenez, E.
7. Honma, Y.
8. Zapata, A.G.