Michel, F B [Immunologic stimulation in prevention of bacterial respiratory infection. Trial objective evaluation by changes in serum and sputum Ig(A and G)]. [electronic resource] - La Nouvelle presse medicale Feb 1975 - 333-6 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0301-1518 Subjects--Topical Terms: Adjuvants, Immunologic--administration & dosageAdolescentAsthma--therapyBacterial Infections--prevention & controlBacterial Vaccines--administration & dosageBronchiectasis--therapyBronchitis--therapyChildClinical Trials as TopicHumansImmunoglobulin A--analysisImmunoglobulin G--analysisInjections, SubcutaneousRespiratory Tract Infections--prevention & controlSputum--immunologyTime FactorsVaccination