Yahya related to me from Malik from Rabia ibn Abi Abd ar-Rahman thatAbdullah ibn az-Zubayr allowed retaliation for a head wound whichsplintered the bone. (JA)
USC-MSA web (English) reference: Book 43, Hadith 6 (JA)
Arabic reference (JA): Book 43, Hadith 1573 (JA)