Dr. Sartorius (Düsseldorf) informed Grünenthal about more side effects. Sartorius believed that Contergan was responsible for blood flow disorders in the lower limbs of three of his patients.

Source: Anklageschrift (indictment) from 1967, today archived at the National Archives of North Rhine-Westphalia in Duisburg, Germany (Rheinland Division, Gerichte Rep. 139, No. 1–396), p. 76.