1. The influence of local and systemic immunizations of weaning pigs on bronchioalveolar clearance and intrabronchial infection with Pasteurella multocida;Müller;Arch. Exp. Vet. Med.,1990
2. Local specific immunization and non-specific stimulation of the defence mechanisms of the respiratory tract of swine;Müller,1995
3. Vaccination by aerosols: modulation of clearance mechanisms in the lung;Hensel;Behring Inst. Mitt.,1997
4. Mucosal immunity — a major adaptive defence mechanism;Brandtzaeg;Behring Inst. Mitt.,1997
5. Routes of immunization and antigen delivery systems for optimal mucosal immune responses in humans;Mestecky;Behring Inst. Mitt.,1997