Spot urine sampling yields reliable measurements for urine caffeine and caffeine metabolites over short to intermediate timeframes in a regional cohort of 50 US adults
- Journal:
- American Journal of Clinical Nutrition
- Published:
- Affiliations:
- 3
- Authors:
- 4
| Institutions | Authors | Share |
|---|---|---|
| National Center for Environmental Health (NCEH), CDC, United States of America (USA) | 0.75 | |
| EPA Office of Research and Development (ORD), United States of America (USA) | 0.25 |