罕见病领域研究现状与趋势分析
贺彩红, 蒋琬姿, 张丽雯, 阮梅花, 周红文, 于建荣

Current status and future perspectives of rare disease research
He Caihong, Jiang Wanzi, Zhang Liwen, Ruan Meihua, Zhou Hongwen, Yu Jianrong
图6 2015~2019年罕见病领域专利量排名前10的专利发明来源国
Fig. 6 Top 10 original countries of patented inventions in the field of rare diseases, 2015-2019