مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2996
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that The Messenger of Allah (ﷺ) sent for Abu Taibah one evening and he treated him with cupping and he gave him his fee.
Musnad Ahmad 3019Hasan and its isnad is da'eef]