Concurrent expression of cyclo-oxygenase-2 and epidermal growth factor receptor in canine malignant mammary tumours

1. Guimarães, M.J.
2. Carvalho, M.I.
3. Pires, I.
4. Prada, J.
5. Gil, A.G.
6. Lopes, C.
7. Queiroga, F.L.