# Phonocardiogram Signal Based Multi-Class Cardiac Diagnostic Decision Support System

> Research article (IEEE Access, 2021) · cited 48× · AI/ML

**Wikidata**: [openalex:W3191403381](https://www.wikidata.org/wiki/openalex:W3191403381)  
**Source**: https://4ort.xyz/entity/phonocardiogram-signal-based-multi-class-cardiac-diagnostic-decision-support-system