Sahih Muslim 6573
صحيح مسلم#6573Sahihحَدَّثَنِيهِ أَبُو بَكْرِ بْنُ إِسْحَاقَ، حَدَّثَنَا أَبُو مُسْهِرٍ، حَدَّثَنَا سَعِيدُ بْنُ عَبْدِ الْعَزِيزِ، بِهَذَا الإِسْنَادِ غَيْرَ أَنَّ مَرْوَانَ أَتَمُّهُمَا حَدِيثًا .
The hadith is narrated through Abu Mushir from Sa'id bin 'Abdil'Aziz except that the previous hadith through Marwan was the more complete of the two
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 45:71