Effect of the extract of Ginkgo biloba (EGb 761) on the circulating and cellular profiles of polyunsaturated fatty acids: correlation with the anti-oxidant properties of the extract - Drieu, K; Vranckx, R; Benassayad, C; Haourigi, M; Hassid, J; Yoa, R G; Rapin, J R; Nunez, E A (Prostaglandins Leukot Essent Fatty Acids, 2000)