Table 1 Results of the research articles searching through PubMed, MEDLINE, Web of Science, Embase by four fields restricted in title, abstract, keyword or topic
Year | Field: development or progress | Field: challenge | Field: China’s contribution | Field: gap or disparity |
|---|---|---|---|---|
2019 | 4 | 2 | 0 | 0 |
2020 | 7 | 3 | 0 | 3 |
2021 | 12 | 3 | 1 | 0 |
2022 | 26 | 0 | 0 | 1 |
2023 | 1 | 1 | 0 | 0 |
Total | 50 | 9 | 1 | 4 |