Table 2 Groups and interventions
Groups | Interventions | Signa |
|---|---|---|
RBS | 8 herbals [with 2 herbals of RBS (Hirudo and Tabanus), as well as herbals of PBC and other combined herbals] | One dose, bid, by oral or nasogastric tube for 10 days |
PBC | 6 herbals (remove 2 herbals of RBS, left with PBC and other combined herbals) | One dose, bid, by oral or nasogastric tube for 10 days |
Placebo comparator | Placebo herbal medicine (with dextrin, farina and so on) | One dose, bid, by oral or nasogastric tube for 10 days |