1. Iyengar GV, Kollmer WE, Bowen HJM (1978) Elemental composition of human tissues and Body fluids, Verlag Chemie, New York, p 183
2. Williams SR (1995) On-line complexation/preconcentration system for the determination of lead in wine by inductively coupled plasma-atomission spectrometry with ultrasonic nebulization, Mosby-Year Book, Inc., Missouri, USA, p 141
3. Weisel C (1991) Am J Public Health 81:756
4. Taylor VF, Longerich HP, Greenough JD (2003) Agric Food Chem 51:856
5. Rodushkin I, Odman F, Appelblad PK (1999) J Food Compost Anal 28:243