Sahih Muslim
The Book of Menstruation (Kitab Al-Haid)
Book Number: 003 / Hadith Number: 693
Ibn 'Abbas reported it on the authority of Maimuana, the wife of the Apostle of Allah (may peace be upon him), that the Apostle of Allah (may peace be upon him) took (a piece of goat's) shoulder at her place, and then offered prayer but did not perform ablution.