1. Alternative (non animal) methods for cosmetics testing: current status and future prospects – 2010;Adler;Arch. Toxicol.,2011
2. Statistics notes: absence of evidence is not evidence of absence;Altmann;BMJ,1995
3. Ginkgo biloba extract and long-term cognitive decline: a 20-year follow-up population-based study;Amieva;PloS One,2013
4. Clinical and psychometric evaluation of Ginkgo biloba extract in chronic cerebro-vascular diseases;Arrigo,1985
5. Behandlung der chronischen zerebrovascularen Insuffizienz mit Ginkgo biloba-Extrakt [Treatment of chronic cerebrovascular insufficency with Ginkgo biloba extract];Arrigo;Therapiewoche,1986