Keyhole limpet hemocyanine can enhance the natural killer activity of patients with transitional cell carcinoma of the bladder

1. Molto, L.M.
2. Carballido, J.
3. Jurincic, C.
4. Lapena, P.
5. Manzano, L.
6. Salmeron, I.
7. Klippel, K.F.
8. Alvarez-Mon, M.