Voluntary health insurance in Bulgaria: history, creation and development
| Autor: | Spasov, Lubomir, Petkov, Vihren |
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| Zdroj: | Асклепий. Международно списание по история и философия на медицината / Asklepios. International Annual for History and Philosophy of Medicine. II(01):107-111 |
| Databáze: | Central and Eastern European Online Library (CEEOL) |
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