[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Medicine](https://indike.org/pramana/in.med) › [Therapeutics](https://indike.org/pramana/in.med.cikitsa) › [Sri Lankan medical works](https://indike.org/pramana/in.med.cikitsa.simhala) › Prayogaratnavaliya # Prayogaratnavaliya (Prayogaratnāvaliya) Medical work in Sinhalese which deals largely with therapy. - **Language:** Sinhala - **Date:** 1200–1299 CE - **Author:** [Buddhadevaputra](https://indike.org/pramana/person/buddhadevaputra) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.med.cikitsa.simhala.prayogaratnavaliya](https://indike.org/pramana/in.med.cikitsa.simhala.prayogaratnavaliya) · Pramāṇa