Transfer of IgG from serum to lachrymal fluid in chickens. 

Avian infectious bronchitis: specific lachrymal IgA level and resistance against challenge 

Virus serological diagnosis in two avian species based on binding of human C1q to avian antibody 

Local and systemic specific antibody response of different chicken lines after ocular vaccination against infectious bronchitis 

Avian infectious bronchitis: viral persistence in the harderian gland and histological changes after eyedrop vaccination 

ELISA to determine anti-K99 pilus antibody in the sera of normal and diarrhoeic calves 

Serum chemistry and antibody status to some avian pathogens of free-living and captive condors (Vultur gryphus) of central Chile 

Detection of chicken anemia virus antibodies in four poultry operations in Chile 

Serologic evidence of pneumovirus in Chile