R EGb 761: ginkgo biloba extract, Ginkor R http://www.ncbi.nlm.nih.gov/pubmed/12757407 EGb 761: ginkgo biloba extract, Ginkor EGb761 http://www.ncbi.nlm.nih.gov/pubmed/12757407 http://www.ncbi.nlm.nih.gov/pubmed/12757407 https://www.ncbi.nlm.nih.gov/pubmed/12757407 age-related tinnitus EGb 761: ginkgo biloba extract, Ginkor https://www.ncbi.nlm.nih.gov/pubmed/12757407