Table 1.
Composition of morphine sulfate nano-controlled release microspheres
| Composition | Amount |
|---|---|
| Chitosan | 100 mg |
| Morphine acetate monosulfate injection | 2% |
| Soybean oil for injection | 15 mL |
| Span80 | 15 mL |
| Sodium Tripolyphosphate | Span80 |
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