TY  - RPRT
TI  - Urine samples before dinner are preferable when studying changes in endogenous nitrate production under uncontrolled dietary conditions.
AU  - J Egberts
AU  - W Soederhuizen
PY  - 1996
DO  - 10.1016/0009-8981(96)06380-2
UR  - https://pubmed.ncbi.nlm.nih.gov/8896902/
ID  - 8896902
ER  -