Chinese research into ulcerative colitis from 1978 to 2017: A bibliometric analysis

Figure 4 Reginal distribution of publications focused on ulcerative colitis. A: Proportion of publications in each province; B: Proportion of papers published by core journals in each province; C: Province distribution for the literature on ulcerative colitis (UC) in China; D: Regional distribution of the literature focused on UC in China from 1993 to 2017. A total of 15683 papers were analyzed in Figure 4A-C. Amongst them, 7356 papers were published in core journals. Jiangsu, Henan, Shandong, and Guangdong Provinces featured significantly in the research filed related to UC. A total of 15584 papers were analyzed in Figure 4D. Out of these, the most papers were published in East China.