A population-based study on chronic pain and the use of opioids in Portugal
| Autor: | Azevedo, Luís Filipe, Costa-Pereira, Altamiro, Mendonça, Liliane, Dias, Cláudia Camila, Castro-Lopes, José Manuel |
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| Zdroj: | In Pain December 2013 154(12):2844-2852 |
| Databáze: | ScienceDirect |
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