1. Heavy metal herbs (Letter);Zimmers;Ann. Emerg. Med.,1985
2. The problem of pesticide and heavy metal residues in plant-derived drugs used in the pharmaceutical industry;Lorusso;Nuovo. Ann. Ig. Microbiol. (Italy),1985
3. Concentrations of selected heavy metals in spices, dried fruits and plant nuts;Sattar;Plant Foods Hum. Nutr. (Netherlands),1989
4. Composition of Jimson weed (Datura stramonium) seeds;Friedman;J. Agric. Food Chem.,1989
5. Lead poisoning from traditional Asian remedies in the West Midlands;Bayly;Hum. Exp. Toxicol.,1994