The Book of the Merits of the Companions
حَدَّثَنَاهُ ابْنُ الْمُثَنَّى، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ شُعْبَةَ، فِي هَذَا الإِسْنَادِ وَقَالَ قَالَتْ كَانَ يَذُبُّ عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم . وَلَمْ يَذْكُرْ حَصَانٌ رَزَانٌ .This hadith has been reported on the authority of Shu'ba with the same chain of transmitters but with a slight variation of wording
From Sahih Muslim, whose reports the scholars accept as authentic.