Ya'laa bin Mamlak Radiyallahu 'Anhu says:
"He asked Ummul Mu'mineen Sayyiditina Ummi Salamah Radiyallahu 'Anha about the recital of Rasulullah Sallallahu 'Alayhi Wasallam". She replied: "He recited every word separately and clearly". (AR)
English reference (AR): Book 43, Hadith 297 (AR)
Arabic reference (AR): Book 44, Hadith 314 (AR)