The joint action in the bioactivity studies of Antarctic lichen Umbilicaria antarctica: Synergic-biodirected isolation in a preliminary holistic ecological study

1. Galindo, J.L.G.
2. García, B.F.
3. Torres, A.
4. Galindo, J.C.G.
5. Romagni, J.G.
6. Macías, F.A.