حَدَّثَنَا سَهْلُ بْنُ أَبِي سَهْلٍ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ، قَالَ سَأَلْتُ عَائِشَةَ فَقُلْتُ أَىْ أُمَّهْ أَخْبِرِينِي عَنْ مَرَضِ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ ‏.‏ قَالَتِ اشْتَكَى فَعَلَقَ يَنْفُثُ فَجَعَلْنَا نُشَبِّهُ نَفْثَهُ بِنَفْثَةِ آكِلِ الزَّبِيبِ وَكَانَ يَدُورُ عَلَى نِسَائِهِ فَلَمَّا ثَقُلَ اسْتَأْذَنَهُنَّ أَنْ يَكُونَ فِي بَيْتِ عَائِشَةَ وَأَنْ يَدُرْنَ عَلَيْهِ ‏.‏ قَالَتْ فَدَخَلَ عَلَىَّ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ وَهُوَ بَيْنَ رَجُلَيْنِ وَرِجْلاَهُ تَخُطَّانِ بِالأَرْضِ أَحَدُهُمَا الْعَبَّاسُ فَحَدَّثْتُ بِهِ ابْنَ عَبَّاسٍ فَقَالَ أَتَدْرِي مَنِ الرَّجُلُ الَّذِي لَمْ تُسَمِّهِ عَائِشَةُ هُوَ عَلِيُّ بْنُ أَبِي طَالِبٍ ‏.‏

It wasnarrated that ‘Ubaidullah bin ‘Abdullah said: “I asked‘Aishah:‘O mother! Tell me about the sickness of the Messenger ofAllah(PBUH).’ She said: ‘He felt pain and started to spit (over hisbody), and we began to compare his spittle to the spittle of a personeating raisins. Like a person eating raisins and spitting out theseeds. He used to go around among his wives, but when he became ill,he asked them permission to stay in the house of ‘Aishah and thattheyshould come to him in turns.’ She said: ‘The Messenger ofAllah (PBUH)entered upon me, (supported) between two men, with hisfeet makinglines along the ground. One of them was ‘Abbas.’ Itold Ibn ‘Abbasthis Hadith and he said: ‘Do you know who theother man was whom‘Aishah did not name? He was ‘Ali bin AbuTalib.’” Translation Not Available

Book Ref: Sunan Ibn Majah Book 6 Hadith 1618
Web Ref:  Sunan Ibn Majah Vol 1 Book 6 Hadith 1618