TY  - RPRT
TI  - Minor metals of the geochemical environment, health and disease
AU  - Helen L. Cannon
AU  - Howard C. Hopps
PY  - 1970
DO  - 10.1126/science.170.3963.1232
UR  - https://pubs.usgs.gov/publication/70226521
ID  - 70226521
ER  -