The image shows a document with four numbered sections, each containing text and a small icon. The document appears to be educational or informational in nature, possibly related to medical or scientific topics. Here is the content from the document:

1. **Trường hợp xác định**
   - This section contains text and an icon that resembles a medical chart or diagnostic tool.

2. **Trường hợp loài trừ**
   - This section also contains text and an icon that looks like a medical test result or treatment plan.

3. **Trường hợp xác định**
   - This section has text and an icon that resembles a medical diagnosis or treatment plan.

4. **Trường hợp loài trừ**
   - This section has text and an icon that looks like a medical test result or treatment plan.

The document seems to be divided into sections, each focusing on different aspects of medical or diagnostic procedures.