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EEG recordings showed increased delta-wave power and improved subjective sleep quality
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Storage For commercial amino-acid solutions containing proline: Temperature: Store at 2025C (6877F)
doi: 10.3171/jns.1992.77.1.0127
[DOI] [PMC free article] [PubMed] [Google Scholar] 23.Geerlings SY, Kostopoulos I, de Vos WM, Belzer C
It contains 0.9% benzyl alcohol, which acts as a preservative to prevent bacterial growth, allowing it to be used for up to 28 days after opening
