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Johnin

National Institutes of Health

Papers overview

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1985
1985
The intravenous administration of johnin in the diagnosis of paratuberculosis in practice.
The diagnostic value of the intravenous injection of 1.6 or 3.2 ml of johnin was evaluated in a total of 116 cattle. The… 
1984
1984
Diagnosis of paratuberculosis in sheep.
Paratuberculosis in sheep usually is manifested as emaciation and decreased wool production. Diarrhea occurred in only 18% of… 
1959
1959
Preparation of a Highly Purified Carbohydrate-free Johnin Protein
THE preparation of a complement-fixing antigen of carbohydrate nature from Mycobacterium johnei has been described in a previous… 
1955
1955
A comparison of regular intradermic johnin and a purified protein derivative of intradermic johnin on artificially and naturally sensitized ruminants.
1953
1953
Studies on the fractionation of tuberculin and johnin. III. Fractionation of johnin proteins.
1953
1953
Studies on the fractionation of tuberculin and johnin. I. Fractionation of tuberculin proteins.
1951
1951
A comparative study of the intradermal johnin test on cattle artificially and naturally sensitized with Mycobacterium paratuberculosis.
1950
1950
Allergic response to johnin and tuberculin of various skin regions of cattle.
1950
1950
Allergic response to johnin and tuberculin of various skin regions of cattle.
1949
1949
Studies on johnin; the relationship of the allergens of Mycobacterum paratuberculosis, Mycobacterium tuberculosis var, avium, bovis, and hominis, and Mycobacterium phlei.
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