@misc{indiciae8d2cf9772c79, title = {Pulmonary function tests in Parkinson's disease.}, author = {M Polatli and A Akyol and O Cildag and K Bayülkem}, year = {2001}, doi = {10.1046/j.1468-1331.2001.00253.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11422431/}, note = {Source identifier: 11422431} }