Landbrug og biologi
animals
28%
antibodies
6%
antibody formation
19%
assays
5%
cattle
5%
cell-mediated immunity
10%
cells
9%
cross-sectional studies
11%
dairy cows
57%
dairy herds
10%
Denmark
10%
duration
6%
enzyme-linked immunosorbent assay
7%
herds
8%
immune response
56%
immunization
9%
infection
15%
long term effects
9%
longitudinal studies
11%
milk
6%
monitoring
6%
Mycobacterium avium subsp. paratuberculosis
89%
Mycobacterium bovis
49%
sampling
6%
serodiagnosis
12%
testing
11%
vaccination
61%
vaccines
16%
Medicin og biovidenskab
Animals
34%
Antibodies
4%
Antibody Formation
15%
Cattle
6%
Cross-Sectional Studies
5%
Denmark
9%
Enzyme-Linked Immunosorbent Assay
5%
Immunization
7%
Immunologic Tests
10%
Longitudinal Studies
7%
Milk
7%
Mycobacterium avium
92%
Mycobacterium bovis
36%
Mycobacterium Infections
34%
Paratuberculosis
100%
Retrospective Studies
5%
Tuberculin
10%
Vaccination
54%
Vaccines
12%