TY  - RPRT
TI  - Progress in establishing human trace element requirements: selenium, zinc, and copper.
AU  - O A Levander
PY  - 1986
DO  - 10.1111/j.1600-0773.1986.tb02715.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3776644/
ID  - 3776644
ER  -