The conceptual structure of opioids, based on the bibliometric analysis of 4,935 articles of the Web of Science was constructed. The results were processed identifying the most cited articles to extract the main connections and frequencies of key words, authors, journals, countries, institutions, and their tendencies and their connection and degree of collaboration. The temporal tendencies, the word cloud, the keyword network, the evolution of words, author production and the scientific production by country are analyzed in terms of the increasing frequency in which opioids are employed to treat both cancerous and non-cancerous pain.

中文翻译：

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用于癌症疼痛治疗的阿片类药物：知识成熟度图

基于对 Web of Science 4,935 篇文章的文献计量分析，构建了阿片类药物的概念结构。对结果进行处理，确定被引用次数最多的文章，以提取关键词、作者、期刊、国家、机构的主要联系和频率，以及它们的趋势以及它们的联系和合作程度。从使用阿片类药物治疗癌性和非癌性疼痛的频率增加的角度分析了时间趋势、词云、关键词网络、词的演变、作者生产和各国的科学生产。