Childhood serum DDE concentrations and acute lymphoblastic leukemia in a high-exposure region of south-central Mexico.
BACKGROUND Childhood acute lymphoblastic leukemia (ALL) is the most common pediatric cancer but its etiology remains largely unknown. Persistent organochlorine pollutants such as p,p'-DDE have been implicated in leukemogenesis, although epidemiological evidence remains scarce and contradictory. We aimed to evaluate the...