@misc{indiciae0763e7cbc02f, title = {Should general practitioners screen smokers for COPD?}, author = {Tone Smith-Sivertsen and Guri Rortveit}, year = {2004}, doi = {10.1080/02813430410006657}, url = {https://pubmed.ncbi.nlm.nih.gov/15765633/}, note = {Source identifier: 15765633} }