Sahih Bukhari
Sahih Bukhari Volume 007, Book 071, Hadith Number 646.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 71. Medicine
Narrated By 'Aisha : The Prophet used to treat some of his wives by passing his right hand over the place of ailment and used to say, "O Lord of the people! Remove the difficulty and bring about healing as You are the Healer. There is no healing but Your Healing, a healing that will leave no ailment."