J. Vestbo, W. Anderson, H. Coxson, C. Crim, F. Dawber et al., Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-points (ECLIPSE), European Respiratory Journal, vol.31, issue.4, pp.869-73, 2008.
DOI : 10.1183/09031936.00111707

B. Celli, W. Macnee, and . Force, Standards for the diagnosis and treatment of patients with COPD: a summary of the ATS/ERS position paper, European Respiratory Journal, vol.23, issue.6, pp.932-978, 2004.
DOI : 10.1183/09031936.04.00014304

R. Faner, R. Tal-singer, J. Riley, B. Celli, J. Vestbo et al., A; on behalf of the ECLIPSE Study Investigators: Lessons from ECLIPSE: a review of COPD biomarkers, Silverman EK and Agusti Thorax, vol.0, pp.1-7, 2013.

G. Engström, N. Segelstorm, M. Ekberg-aronsson, P. Nilsson, F. Lindgärde et al., Plasma markers of inflammation and incidence of hospitalisations for COPD: results from a population-based cohort study, Thorax, vol.64, issue.3, pp.211-216, 2009.
DOI : 10.1136/thx.2008.102079

T. Rhim, Y. Choi, B. Nam, S. Uh, J. Park et al., Plasma protein profiles in early asthmatic responses to inhalation allergen challenge, Allergy, vol.145, issue.Suppl. 1, pp.47-54, 2009.
DOI : 10.1042/bj2650621

M. Dahl, A. Tyboerg-hansen, J. Vestbo, P. Lang, and B. Nordestgaad, Elevated Plasma Fibrinogen Associated with Reduced Pulmonary Function and Increased Risk of Chronic Obstructive Pulmonary Disease, American Journal of Respiratory and Critical Care Medicine, vol.72, issue.6, pp.1008-1019, 2001.
DOI : 10.1016/S1357-2725(97)00118-0

S. Man, J. Connett, N. Anthonisen, R. Wise, D. Tashkin et al., C-reactive protein and mortality in mild to moderate chronic obstructive pulmonary disease, Thorax, vol.61, issue.10, pp.849-53, 2006.
DOI : 10.1136/thx.2006.059808

A. Duvoix, J. Dickens, I. Haq, D. Mannino, B. Miller et al., Blood fibrinogen as a biomarker of chronic obstructive pulmonary disease: Table 1, Thorax, vol.183, issue.7, pp.670-676, 2013.
DOI : 10.1164/rccm.201008-1220OC

C. Winkler, E. Atochina-vasserman, O. Holz, M. Beers, V. Erpenbeck et al., Comprehensive characterisation of pulmonary and serum surfactant protein D in COPD, Respiratory Research, vol.165, issue.1, p.29, 2011.
DOI : 10.1001/archinte.165.8.891

D. Lomas, E. Silverman, L. Edwards, N. Locantore, B. Miller et al., Serum surfactant protein D is steroid sensitive and associated with exacerbations of COPD, European Respiratory Journal, vol.34, issue.1, pp.95-102, 2009.
DOI : 10.1183/09031936.00156508

J. Madsen, A. Kliem, I. Tornoe, K. Skjodt, C. Koch et al., Localization of Lung Surfactant Protein D on Mucosal Surfaces in Human Tissues, The Journal of Immunology, vol.164, issue.11, pp.5866-70, 2000.
DOI : 10.4049/jimmunol.164.11.5866

E. Crouch, Surfactant protein-D and pulmonary host defense, Respir Res, vol.1, pp.93-108, 2000.

S. Hoegh, G. Sorensen, I. Tornoe, T. Lottenburger, H. Ytting et al., Long-term stability and circadian variation in circulating levels of surfactant protein D, Immunobiology, vol.215, issue.4, pp.314-334, 2010.
DOI : 10.1016/j.imbio.2009.05.001

S. Antoniu, Effects of inhaled therapy on biomarkers of systemic inflammation in stable chronic obstructive pulmonary disease, Biomarkers, vol.359, issue.2, pp.97-103, 2010.
DOI : 10.1183/09031936.02.00238702

R. Leth-larsen, C. Nordenbaek, I. Tornoe, V. Moeller, A. Schlosser et al., Surfactant protein D (SP-D) serum levels in patients with community-acquired pneumonia??????This work was supported by the Danish Medical Research Council, an EU grant, contract number: QLK2-CT-2000-0035; the Novo Nordisk Foundation; Fonden til L??gevidenskabens Fremme; Ingemann O. Bucks Foundation and the Benzon Foundation., Clinical Immunology, vol.108, issue.1, pp.29-37, 2003.
DOI : 10.1016/S1521-6616(03)00042-1

H. Ilumets, W. Mazur, T. Toljamo, N. Louhelainen, P. Nieminen et al., Ageing and smoking contribute to plasma surfactant proteins and protease imbalance with correlations to airway obstruction, BMC Pulmonary Medicine, vol.6, issue.Suppl, p.19, 2011.
DOI : 10.1080/15412550903051799

D. Sin, S. Man, D. Marciniuk, G. Ford, M. Fitzgerald et al., The Effects of Fluticasone with or without Salmeterol on Systemic Biomarkers of Inflammation in Chronic Obstructive Pulmonary Disease, American Journal of Respiratory and Critical Care Medicine, vol.177, issue.11, pp.1207-1221, 2008.
DOI : 10.1183/09031936.00023907

C. Ju, W. Liu, and R. Chen, Serum Surfactant Protein D: Biomarker of Chronic Obstructive Pulmonary Disease, Disease Markers, vol.32, issue.5, pp.281-288, 2012.
DOI : 10.1155/2012/509063

T. Shakoori, D. Sin, F. Ghafoor, S. Bashir, and S. Bokhari, Serum Surfactant Protein D during Acute Exacerbations of Chronic Obstructive Pulmonary Disease, Disease Markers, vol.27, issue.6, pp.287-94, 2009.
DOI : 10.1155/2009/759304

A. Mutti, M. Corradi, M. Goldoni, M. Vettori, A. Bernard et al., Exhaled Metallic Elements and Serum Pneumoproteins in Asymptomatic Smokers and Patients With COPD or Asthma, Chest, vol.129, issue.5, pp.1288-97, 2006.
DOI : 10.1378/chest.129.5.1288

C. Ou, C. Chen, T. Hsiue, S. Lin, and J. Wang, Genetic variants of pulmonary SP-D predict disease outcome of COPD in a Chinese population, Respirology, vol.1820, issue.2, pp.296-303, 2015.
DOI : 10.1016/j.bbagen.2011.12.006

G. Sorensen, S. Husby, and U. Holmskov, Surfactant protein A and surfactant protein D variation in pulmonary disease, Immunobiology, vol.212, issue.4-5, pp.381-416, 2007.
DOI : 10.1016/j.imbio.2007.01.003

N. Inase, Y. Ohtani, Y. Sumi, T. Umino, Y. Usui et al., A clinical study of hypersensitivity pneumonitis presumably caused by feather duvets, Annals of Allergy, Asthma & Immunology, vol.96, issue.1, pp.98-104, 2006.
DOI : 10.1016/S1081-1206(10)61047-2

J. De-torres, E. Cordoba-lanus, C. López-aguilar, M. De-fuentes, M. et al., C-reactive protein levels and clinically important predictive outcomes in stable COPD patients, European Respiratory Journal, vol.27, issue.5, pp.902-909, 2006.
DOI : 10.1183/09031936.06.00109605

P. Eickhoff, A. Valipour, D. Kiss, M. Schreder, L. Cekici et al., Determinants of Systemic Vascular Function in Patients with Stable Chronic Obstructive Pulmonary Disease, American Journal of Respiratory and Critical Care Medicine, vol.178, issue.12, pp.1211-1219, 2008.
DOI : 10.1164/rccm.200210-1130OC

I. Kushner, D. Rzewnicki, and D. Samols, What Does Minor Elevation of C-Reactive Protein Signify?, The American Journal of Medicine, vol.119, issue.2, pp.166-183, 2006.
DOI : 10.1016/j.amjmed.2005.06.057

K. Tsushima, K. Fujimoto, S. Yoshikawa, S. Kawakami, T. Koizumi et al., Hypersensitivity Pneumonitis due to Bunashimeji Mushrooms in the Mushroom Industry, International Archives of Allergy and Immunology, vol.162, issue.3, pp.241-249, 2005.
DOI : 10.1164/ajrccm.162.3.9910080

S. Um, S. Lam, H. Coxson, S. Man, and D. Sin, Budesonide/Formoterol Enhances the Expression of Pro Surfactant Protein-B in Lungs of COPD Patients, PLoS ONE, vol.180, issue.12, p.83881, 2013.
DOI : 10.1371/journal.pone.0083881.t003

W. Liu, C. Ju, R. Chen, and Z. Liu, Role of serum and induced sputum surfactant protein D in predicting the response to treatment in chronic obstructive pulmonary disease, Experimental and Therapeutic Medicine, vol.8, issue.4, pp.1313-1330, 2014.
DOI : 10.3892/etm.2014.1865

G. Engström, C. Lindberg, G. De-verdier, M. Nihlén, U. Anderson et al., Blood biomarkers and measures of pulmonary function???A study from the Swedish twin registry, Respiratory Medicine, vol.106, issue.9, pp.1250-1257, 2012.
DOI : 10.1016/j.rmed.2012.05.004

B. Ozyurek, S. Ulasli, S. Bozbas, N. Bayraktar, and S. Akcay, Value of serum and induced sputum surfactant protein-D in chronic obstructive pulmonary disease, Multidisciplinary Respiratory Medicine, vol.8, issue.1, pp.36-51, 2013.
DOI : 10.1186/1465-9921-9-13

D. Sin, R. Leung, W. Gan, and M. Sp, Circulating surfactant protein D as a potential lung-specific biomarker of health outcomes in COPD: a pilot study, BMC Pulmonary Medicine, vol.31, issue.1, p.13, 2007.
DOI : 10.1016/j.cyto.2005.02.006

S. Johansson, Q. Tan, R. Holst, L. Christiansen, N. Hansen et al., Surfactant protein D is a candidate biomarker for subclinical tobacco smoke-induced lung damage, American Journal of Physiology-Lung Cellular and Molecular Physiology, vol.55, issue.9, pp.887-95, 2014.
DOI : 10.1016/j.imbio.2012.08.272

J. Dickens, B. Miller, L. Edwards, E. Silverman, D. Lomas et al., COPD association and repeatability of blood biomarkers in the ECLIPSE cohort, Respiratory Research, vol.54, issue.1, p.146, 2011.
DOI : 10.1016/S0895-4356(00)00314-0

P. Salameh, G. Khayat, and M. Waked, Could symptoms and risk factors diagnose COPD? Development of a Diagnosis Score for COPD, Clinical Epidemiology, vol.4, pp.247-55
DOI : 10.2147/CLEP.S34985