References
- Attramadal A., Jonsen J. The content of lead, cadmium, zinc and copper in deciduous and permanent teeth. Acta Odont. Scand. 1976; 34: 127–131
- Grandjean P. Bly i danskere. Trykteknik, Ksbenhavn 1973
- Jaworowski Z. Stable lead in fossil ice and bones. Nature 1968; 217: 152–153
- Murozumi M., Chow T. J., Patterson C. Chemical concentrations of pollutant lead aerosols, terrestrial dusts and sea salts in Greenland and Antarctic snow strata. Geochim. Cosmo-chim. Acta 1969; 33: 1247–1294
- Steadman L. T., Brudevold F., Smith F. A., Gardner D. E., Little M. F. Trace elements in ancient Indian teeth. J. Dent. Res. 1959; 38: 285–292
- Webb M. Cadmium, Brit. Med. Bull. 1975; 31: 246–250