Expression of opioid receptors in osteoblast-like MG-63 cells, and effects of different opioid agonists on alkaline phosphatase and osteocalcin secretion by these cells

1. Pérez-Castrillón, J.L.
2. Olmos, J.M.
3. Gómez, J.J.
4. Barrallo, A.
5. Riancho, J.A.
6. Perera, L.
7. Valero, C.
8. Amado, J.A.
9. González-Macías, J.