Copyright
©The Author(s) 2018.
World J Clin Cases. Mar 16, 2018; 6(3): 35-43
Published online Mar 16, 2018. doi: 10.12998/wjcc.v6.i3.35
Published online Mar 16, 2018. doi: 10.12998/wjcc.v6.i3.35
Figure 4 Relative proportions of descriptive studies, observational analytical studies, and clinical trials in every 5-year period from 2001 to 2015.
There was a significant increase in observational analytical studies and clinical trials, especially in the most recent 5 years (P < 0.05).
- Citation: Luo CX, Wen ZH, Zhen Y, Wang ZJ, Mu JX, Zhu M, Ouyang Q, Zhang H. Chinese research into severe ulcerative colitis has increased in quantity and complexity. World J Clin Cases 2018; 6(3): 35-43
- URL: https://www.wjgnet.com/2307-8960/full/v6/i3/35.htm
- DOI: https://dx.doi.org/10.12998/wjcc.v6.i3.35