Abu Dawud said: Ibn al-Sarh said: Yusuf bin Muhammad is correct (and not Muhammad bin Yusuf)
In-book : Book 29, Hadith 31
English translation : Book 28, Hadith 3876
29. Medicine (Kitab Al-Tibb)
باب كَرَاهِيَةِ مَسِّ الذَّكَرِ بِالْيَمِينِ فِي الاِسْتِبْرَاءِ