Determination of trace elements in biological samples by inductively coupled plasma mass spectrometry with tetramethylammonium hydroxide solubilization at room temperature - Batista, Bruno Lemos; Grotto, Denise; Rodrigues, Jairo Lisboa; Souza, Vanessa Cristina de Oliveira; Barbosa Júnior, Fernando (Analytica Chimica Acta, 2009)