↑ Sandner wrote that the term Aktion T4 was first used in post-war trials against doctors involved in the killings and later included in the historiography.[2]
↑ Tiergartenstraße 4 was the location of the Central Office and administrative headquarters of the Gemeinnützige Stiftung für Heil- und Anstalts- pflege (Charitable Foundation for Curative and Institutional Care).[5]
