@article {Cottin519, author = {Cottin, Vincent and Cordier, Jean-Fran{\c c}ois}, title = {Velcro crackles: the key for early diagnosis of idiopathic pulmonary fibrosis?}, volume = {40}, number = {3}, pages = {519--521}, year = {2012}, doi = {10.1183/09031936.00001612}, publisher = {European Respiratory Society}, issn = {0903-1936}, URL = {//www.qdcxjkg.com/content/40/3/519}, eprint = {//www.qdcxjkg.com/content/40/3/519.full.pdf}, journal = {European Respiratory Journal} }