From: Regulation of cerebrospinal fluid production by caffeine consumption
 | Caffeine (μg/ml) | Theophylline (μg/ml) |
---|---|---|
Caffeine-treated rats with ventriculomegaly | 0.037 ± 0.008 | 0.68 ± 0.089 |
Caffeine-treated rats without ventriculomegaly | 0.010 ± 0.006 | 0.34 ± 0.174 |