非精神科就诊患者出现心理问题时，尽早给予干预，将有利于改善患者体验和医患关系。作者在综合医院创新探索了非精神科住院患者心理评......

In this research, we present a hierarchical Data Envelopment Analysis (DEA) methodology for competitiveness analysis. Th......

Proposed here is a new framework for the analysis of complex systems as a non-explicitly programmed mathematical hierarc......