Hadith #4545 (Sunan Abi Dawud)
Book: Types of Blood-Wit (Kitab Al-Diyat)
Narrator(s): Abdullah bin 'Amr bin al-'Aas, al-Qasim bin Rabi'ya bin Jwshn القاسم بن ربيعة بن جوشن, Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق, Khalid bin Mahran al-Hadha' خالد بن مهران الحذاء, Sulaiman bin Harb سليمان بن حرب, Uqba bin Aws
Grade: Da'if

The Prophet (ﷺ) said: The blood-wit for accidental killing should be twenty she-camels which had entered their fourth year, twenty she-camels which had entered their fifth year, twenty she-camels which had entered their second year, twenty she-camels which had entered their third year, and twenty male camels which had entered their second year. It does not beyond Ibn Mas’ud.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4545/

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Hadith #4586 (Sunan Abi Dawud)
Book: Types of Blood-Wit (Kitab Al-Diyat)
Narrator(s): Abdullah bin 'Amr bin al-'Aas, al-Qasim bin Rabi'ya bin Jwshn القاسم بن ربيعة بن جوشن, Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق, Khalid bin Mahran al-Hadha' خالد بن مهران الحذاء, Sulaiman bin Harb سليمان بن حرب, Uqba bin Aws
Grade: Hasan

On his father’s authority, said that his grandfather reported the Messenger of Allah (ﷺ) said: Anyone who practises medicine when he is not known as a practitioner will be held responsible.
Abu Dawud said: This has been transmitted by al-Walid alone. We do not know whether it is sound or not.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4586/