4Pilette C,Durham SR,Vaerman JP,et al.Mucosal Immunity in Asthma and Chronic Obstructive Pulmonary Disease:A Role for Immunoglobulin A? Proc Am Thorac Soc,2004,1:125-135.
5Rozy A,Chorostowska-Wynimko J.Bacterial immunostimulants-mechanism of action and clinical application in respiratory diseases.Pneumonol.Alergol.Pol,2008,76:353-359.
6Debbas N,Derenne JP.Preventive effects of an immunostimulating product on recurrent infections of chronic bronchitis in the elderly.Lung,1990,168 (Suppl):737-740.
7Orcel B,Delclaux B,Baud M,et al.Oral immunization with bacterial extracts for protection against acute bronchitis in elderly institutionalized patients with chronic bronchitis.Eur Respir J,1994,7:446-452.
8Collet JP,Shapiro P,Ernst P,et al.Effects of an immunostimulating agent on acute exacerbations and hospitalizations in patients with chronic obstructive pulmonary disease.The PARI-IS Study Steering Committee and Research Group.Prevention of Acute Respiratory Infection by an Immunostimulant Am J Respir Crit Care Med,1997,156:1719-1724.
10Braido F,Tarantini F,Ghiglione V,et al.Bacterial lysate in the prevention of acute exacerbation of COPD and in respiratory recurrent infections.Internation Journal of COPD,2007,2:335-345.