One verse

Srimad Bhagavatam 8.11.47

8.11.47

तत्राविनष्टावयवान् विद्यमानशिरोधरान् । उशना जीवयामास संजीवन्या स्वविद्यया ॥ ४७ ॥

tatravinastavayavan vidyamana-sirodharan usana jivayam asa samjivanya sva-vidyaya

tatra
on that hill
avinasta-avayavan
the demons who had been killed but whose bodily parts had not been lost
vidyamana-sirodharan
whose heads were still existing on their bodies
usanah
Sukracarya
jivayam asa
brought to life
samjivanya
by the Samjivani mantra
sva-vidyaya
by his own achievement.

There, on that hill, Sukracarya 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 Samjivani.