Sa1669 Peptic Ulcer Disease: Has Its Frequency Changed Over the Last 20 Years?
| Autor: | Gallardo, Victor E., Blanco-Velasco, Gerardo, Ramos-Gonzalez, Roberto, Tun, Amina, HernáNdez MondragóN, Oscar V., Blancas Valencia, Juan M. |
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| Zdroj: | In Gastrointestinal Endoscopy May 2014 79(5) Supplement:AB295-AB296 |
| Databáze: | ScienceDirect |
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