TI - Analysis of trace elements in medicinal plant extracts by neutron activation analysis PY - 1997 AU - Saiki, M AU - Vasconcellos, M B A AU - SertiƩ, Jayme Antonio Aboin AU - Tripathi, A K T2 - International Symposium on Nuclear and Related Techniques in Agriculture, Indury, Health and Environment J2 - Anais PP - Havana ER -