# Efficiency Analysis of Surgical Services by Combined Use of Data Envelopment Analysis and Gray Relational Analysis

> Research article (Journal of Medical Systems, 2015) · cited 39× · AI/ML

**Wikidata**: [openalex:W2006413061](https://www.wikidata.org/wiki/openalex:W2006413061)  
**Source**: https://4ort.xyz/entity/efficiency-analysis-of-surgical-services-by-combined-use-of-data-envelopment-analysis-and-gray-relational-analysis