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Subjects
- Corynebacterium diphtheriae3
- Alcoholic Intoxication1
- Cattle -- immunology1
- Diagnosis, Differential1
- Diphtheria1
- Disease Resistance1
- Food Microbiology1
- Gases -- analysis1
- Immunologic Techniques1
- Milk -- microbiology1
- Nasal Mucosa -- microbiology1
- Pharyngeal Diseases -- microbiology1
- Philadelphia1
- Rabbits1
- Rhinitis -- etiology1
- Rivers1
- Sewage -- analysis1
- Spirillaceae -- isolation & purification1
- Streptococcal Infections1
- Water Microbiology1