✦ LIBER ✦
Positive Predictive Value of ICD–9th Codes for Upper Gastrointestinal Bleeding and Perforation in the Sistema Informativo Sanitario Regionale Database
✍ Scribed by Chiara Cattaruzzi; Maria Grazia Troncon; Luisa Agostinis; Luis A Garcı́a Rodrı́guez
- Book ID
- 117598376
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 134 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0895-4356
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