TY - JOUR T1 - Boron isotope dilution in cellular fractions of coffee leaves Evaluated by Inductively Coupled Plasma Mass Spectrometry with direct injection nebulization (DIN-ICP-MS) JO - Journal of the Brazilian Chemical Society A1 - Bellato, Ana Cláudia S. A1 - Menegário, Amauri A. A1 - Giné, Maria Fernanda SN - 0103-5053 UL - 10.1590/S0103-50532003000200014 VL - 14 Y1 - 2003 PB - Brasil ER -