Timeline view of keywords
tumor
VIRUS, INFILTRATION, TUMOR, CERVICAL INTRAEPITHELIAL NEOPLASIA, CERVICAL CANCER
Through the cluster analysis of keywords, the different clusters were obtained along with the central keywords. The rank or the number of clusters is dependent on their sizes. The first #0 has the largest size, and the larger number of clusters means the smaller sizes. In this study, there were ten clusters selected to conduct the timeline view analysis, #0 cervical cancer, #1 human papillomavirus, #2 tumor antigen, #3 cervical intraepithelial neoplasia, #4 tumor immunology, #5 mage-a, #6 e6, #7 immune infiltration, #8 adeno-associated virus, and #9 induction. Based on the clustering analysis, the timeline view of keywords was made in the Citespace (It showed the development and the research hotspots of the topic field (immunotherapy in cervical cancer). And the figure represented the same three classifications as the co-occurrence map (