# COPD: A stepwise or a hit hard approach?

> Research article (Revista Portuguesa de Pneumologia, 2016) · cited 16× · AI/ML

**Wikidata**: [openalex:W2288380655](https://www.wikidata.org/wiki/openalex:W2288380655)  
**Source**: https://4ort.xyz/entity/copd-a-stepwise-or-a-hit-hard-approach