Agriculture & Biology
Campylobacter fetus
93%
cattle
37%
confidence interval
56%
cows
18%
cross-sectional studies
70%
dairy cattle
59%
dairy herds
9%
demographic statistics
15%
enzyme-linked immunosorbent assay
7%
Haemophilus
12%
heifers
25%
herds
43%
Leptospira interrogans serovar Hardjo
14%
logit analysis
73%
odds ratio
43%
regression analysis
7%
sampling
12%
serological surveys
10%
seroprevalence
28%
valleys
40%
Medicine & Life Sciences
Campylobacter fetus
100%
Cattle
49%
Confidence Intervals
27%
Cross-Sectional Studies
40%
Demography
9%
Enzyme-Linked Immunosorbent Assay
5%
Haemophilus
10%
Leptospira
10%
Likelihood Functions
11%
Logistic Models
5%
Multivariate Analysis
43%
Odds Ratio
29%
Regression Analysis
5%
Seroepidemiologic Studies
8%