: 391–593 Vāgbhata is said, in the closing verses of the Ashtānga sangraha, to have lived in Sind, undivided India.
: 645 Both works make frequent reference to the earlier classical works, the Charaka Samhita and the Sushruta Samhita.
Indeed, the whole question of the relationship of these two works, and their authorship, is very difficult and still far from solution. The best current research, however, argues in detail that these two works cannot be the product of a single author.
Several works are associated with his name as author, principally the Ashtāṅgasaṅgraha (अष्टाङ्गसंग्रह) and the Ashtāngahridayasaṃhitā (अष्टाङ्गहृदयसंहिता). Vāgbhata (वाग्भट) is one of the most influential classical writers of ayurveda.
