@misc{indiciae5874dfeb320d, title = {Methacholine challenge: test-shortening procedures.}, author = {D W Cockcroft and D D Marciniuk and T S Hurst and D J Cotton and K F Laframboise and B D McNab and R P Skomro}, year = {2001}, doi = {10.1378/chest.120.6.1857}, url = {https://pubmed.ncbi.nlm.nih.gov/11742913/}, note = {Source identifier: 11742913} }