Sahih Bukhari
Sahih Bukhari Volume 004, Book 053, Hadith Number 331.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 53. One-Fifth Of Booty to the Cause Of Allah (Khumus)
Narated By 'Aisha : (The wife of the Prophet) When the sickness of Allah's Apostle got aggravated, he asked the permission of his wives that he should be treated in my house, and they permitted him.