TY  - RPRT
TI  - Selenium: requirement and supplementation.
AU  - J Kumpulainen
PY  - 1989
DO  - 10.1111/j.1651-2227.1989.tb11221.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2692381/
ID  - 2692381
ER  -