Frequency and estimated costs of ten low-value practices in the Spanish primary care: a retrospective study

1. Cheikh-Moussa, K.
2. Caro Mendivelso, J.
3. Carrillo, I.
4. Astier-Peña, M.P.
5. Olivera, G.
6. Silvestre, C.
7. Nuín, M.
8. Mira, J.J.