Garudapurana 1.20.21.p1

1.20.21.p1

iti śrīgāruḍe mahāpurāṇe pūrvakhaṇḍe prathamāṃśākhye ācārakāṇḍe viṣādiharamantrabṛndanirūpaṇaṃ nāma viṃśo 'dhyāyaḥ

Thus ends the twentieth chapter, entitled "Exposition of the Group of Mantras that Remove Poison and Other Afflictions", in the Section on Conduct, called the First Part of the First Section, in the glorious Garuḍa Mahāpurāṇa.