Fine needle aspiration of hepatic colorectal metastases [1] (multiple letters)

1. Sanz, Á.
2. Del Valle, M.L.
3. Joseph, A.E.
4. Knowles, S.
5. Metcalfe, M.S.
6. Bridgewater, F.H.G.
7. Mullin, E.J.
8. Maddern, G.J.