Fine needle aspiration biopsy findings in endodermal sinus tumors: A report of four cases with cytologic, immunocytochemical and ultrastructural findings

1. Dominguez-Franjo, P.
2. Vargas, J.
3. Rodriguez-Peralto, J.L.
4. Ballestin, C.
5. Martinez-Gonzalez, M.A.
6. Perez-Barrios, A.
7. De Agustin, P.