An unusual lithiasic nidus. Review of bladder lithogenesis caused by foreign bodies

1. Vallejo Herrador, J.
2. Sáez Garrido, J.C.
3. Avila Padilla, S.
4. Burgos Revilla, F.J.
5. Téllez Martínez-Fornes, M.
6. Castañeda Casanova, A.
7. García Cuerpo, E.