TY  - RPRT
TI  - Vitamins, iron, and physical work.
AU  - C J Bates
AU  - H J Powers
AU  - D I Thurnham
PY  - 1989
DO  - 10.1016/s0140-6736(89)90495-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2569111/
ID  - 2569111
ER  -