1. Effect of freezing, thawing, sonication and preservatives on NAGase activity measurements;Berning;J. Dairy Sci.,1985
2. Mammary tissue damage resulting from normal polymorphonuclear leucosyte function and bacterial toxins: in vitro studies;Capuco;Kieler Milchwirtschaftliche Forschungsberichte,1985
3. NAGase activity of neutrophils, macrophages and lymphocytes;Dulin;J. Dairy Sci.,1985
4. Activity of N-acetyl-β-D-glucosaminidase in milk: Contribution by milk somatic cells;Dulin;J. Dairy Sci.,1984