(6) باب نواقض الوضوء
and Al-Bukhari said, "It is the most authentic in this chapter". (RU)
Reference (RU): Bulugh al-Maram 73 (RU)
In-book reference (RU): Book 1, Hadith 88 (RU)
English translation (RU): Book 1, Hadith 79 (RU)