Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 47
Sanskrit:
तत्राविनष्टावयवान् विद्यमानशिरोधरान् ।उशना जीवयामास संजीवन्या स्वविद्यया ॥ ४७ ॥
ITRANS:
tatrāvinaṣṭāvayavānvidyamāna-śirodharānuśanā jīvayām āsasaṁjīvanyā sva-vidyayā
Translation:
There, on that hill, Śukrācārya brought to life all the dead demoniac soldiers who had not lost their heads, trunks and limbs. He achieved this by his own mantra, known as Saṁjīvanī.