1. Clinical-pharmacological studies on the effect of an extract from Ginkgo biloba L. in the postthrombotic syndrome;Tronnier;Arzneimittelforschung,1968
2. Studies on peripheral arterial blood circulation disorders. XV. On the problems of conservative therapy of obliterating peripheral blood circulation disorders demonstrated on tincture and extract from Ginkgo biloba L;Mussgnug;Arzneimittelforschung,1968
3. Use of an extract of Ginkgo biloba (Tebonin) in the therapy of cerebral vascular diseases;Montanini;Minerva Cardioangiol.,1969
4. Effects of Tebonin (extract from leaves of Ginkgo biloba L.) in the treatment of senile peripheral arteriopathies;Locatelli;Minerva Cardioangiol.,1969
5. Ginkgo biloba for the treatment of tinnitus;Kramer;Medwave,2018