1. Mastitis control is good business;Asby;Dairy Farmer,1974
2. Mastitis monitoring in general practice;Blowey;Vet. Rec.,1984
3. An assessment of the economic benefits of a mastitis control scheme;Blowey;Vet. Rec.,1986
4. The progress and economic benefits of a mastitis control programme;Blowey,1986
5. Economic aspects of diseases and disease control;Dijhuizen;Ph.D. Thesis, University of Utrecht,1983