Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 4
Sanskrit:
काश्यस्य काशिस्तत्पुत्रो राष्ट्रो दीर्घतम:पिता ।धन्वन्तरिर्दीर्घतमस आयुर्वेदप्रवर्तक: ।यज्ञभुग् वासुदेवांश: स्मृतमात्रार्तिनाशन: ॥ ४ ॥
ITRANS:
kāśyasya kāśis tat-putrorāṣṭro dīrghatamaḥ-pitādhanvantarir dīrghatamasaāyur-veda-pravartakaḥyajña-bhug vāsudevāṁśaḥsmṛta-mātrārti-nāśanaḥ
Translation:
The son of Kāśya was Kāśi, and his son was Rāṣṭra, the father of Dīrghatama. Dīrghatama had a son named Dhanvantari, who was the inaugurator of the medical science and an incarnation of Lord Vāsudeva, the enjoyer of the results of sacrifices. One who remembers the name of Dhanvantari can be released from all disease.