TY  - RPRT
TI  - Letter: Vitamin E, selenium, and knee problems.
AU  - E W Kienholz
PY  - 1975
DO  - 10.1016/s0140-6736(75)92888-3
UR  - https://pubmed.ncbi.nlm.nih.gov/47011/
ID  - 47011
ER  -