(121) باب مَنْ لَمْ يَذْكُرِ الرَّفْعَ عِنْدَ الرُّكُوعِ
This tradition has also been transmitted by Sufyan through a different chain of narrators. This version has:
He raised his hands once in the beginning. Some narrated: (raised his hands) once only.
Reference: Sunan Abi Dawud 749
In-book reference: Book 2, Hadith 359
English translation: Book 2, Hadith 748