@misc{indiciae3a1acf2e313f, title = {Aging and induced-sputum cells.}, author = {Mario Malerba and Bruno Balbi and Antonio Spanevello}, year = {2005}, doi = {10.1378/chest.128.6.4049}, url = {https://pubmed.ncbi.nlm.nih.gov/16354882/}, note = {Source identifier: 16354882} }