1. Chronological trend in blood lead levels between 1976–1980;Annest;N. Engl. J. Med.,1983
2. Neurological effects of low level lead exposure in children;Bellinger,1991
3. Low-level lead exposure and children's cognitive function in the preschool years;Bellinger;Pediatrics,1991
4. Trace elements in sea water;Bruland,1983
5. Perturbation of natural lead transport in nutrient calcium pathways of marine ecosystems by industrial lead;Burnett,1980