@misc{indiciae22b640908103, title = {Ventilator-associated pneumonia with circuit changes every 2 days versus every week.}, author = {T C Lien and M Y Lin and C C Chu and B I Kuo and E D Wang and J H Wang}, year = {2001}, url = {https://pubmed.ncbi.nlm.nih.gov/11458621/}, note = {Source identifier: 11458621} }