Criteria for inclusion of journal articles.
|General category||Specific inclusion criteria|
|Chemical||Arsenic, cadmium, lead, or mercury|
|Country||Brazil, China, India, Indonesia, Mexico, Poland, Russia, South Korea, Taiwan, or Turkey|
|Matrix analyzed||Blood or urine|
|Evidence of contamination or adverse health effects||Contains data on either levels of metal contamination in matrix analyzed or adverse health effects for population of interest|