In the twelfth incarnation, the Lord appeared as Dhanvantari, and in the thirteenth He allured the atheists by the charming beauty of a woman and gave nectar to the demigods to drink.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
धान्वन्तरं द्वादशमं त्रयोदशममेव च । अपाययत्सुरानन्यान् मोहिन्या मोहयन् स्त्रिया
dhānvantaraṃ dvādaśamaṃ trayodaśamameva ca | apāyayatsurānanyān mohinyā mohayan striyā
SB 1.3.17