Sahih Muslim | Book 26 | Hadith Number 5442

Narrated by 'Abd al-Rahman b. al-Aswad
'Abd al-Rahman b. al-Aswad reported on the authority of his father: I asked 'Aisha about incantation. She said: Allah's Messenger (may peace be upon him) had granted its sanction to the members of a family of the Ansir for incantation in curing every type of poison.