Sahih Muslim Book 26, Hadith Number 5459.

Chapter : Permissibility of getting reward for incantations from the words of the Qur’an.

This hadith has been reported on the authority of Abu Bishr with the same the same chain of transmitters (with these words): That he recited Umm-ul-Qur’an (Sura Fatiha), and he collected his spittle and he applied that and the person became all right.