Metabolism was terminated by adding acetonitrile, and the samples were analyzed by HPLC/MS
The content was standardized, i.e., all were provided with the same material, and identical to our previous randomized controlled trials (RCTs), e.g., refs
The Eggers and Beggs tests showed no significant small-study effect ( P = 0444 and P = 0721, respectively)
For high-humidity or tropical-market products, the formula may require anti-caking carriers, desiccant packaging, foil-laminate sachets, or controlled relative humidity during blending and filling
doi:10.1016/0014-5793(88)80509-x Simeon A, Monier F, Emonard H, et al
This is the most significant pathological feature of PD, suggesting that seeking dopaminergic neuronal protective strategies may be the most important means to treat PD