Sunan an-Nasa'i 2002

It was narrated that 'Abdullah bin Tha'labah said:"The Messenger of Allah said, concerning those who had been slain at Uhud: 'Wrap them up on their clothes that are stained with blood, for there is no wound that is sustained for the sake of Allah, but it will come bleeding on the Day of Resurrection: its color will be the color of blood, but its fragrance will be the fragrance of musk