C. H. Armstrong

Investigating the transmission of Mycoplasma hyopneumoniae in a swine herd with enzootic pneumonia

L. Kirk Clark, C. H. Armstrong, M. J. Freeman et al. · Veterinary medicine · 1991 · 47 citations

Veterinary Medicine, Infectious Diseases, Microbiology +14

Serological cross-reactivity of porcine reference antisera to Mycoplasma hyopneumoniae, M. flocculare, M. hyorhinis and M. hyosynoviae indicated by the enzyme-linked immunosorbent assay, complement fixation and indirect hemagglutination tests.

M. J. Freeman, C. H. Armstrong, L Sands-Freeman et al. · PubMed · 1984 · 44 citations

Veterinary Medicine, Immunology, Infectious Diseases +14

Comparison of the enzyme-linked immunosorbent assay and the indirect hemagglutination and complement fixation tests for detecting antibodies to Mycoplasma hyopneumoniae.

C. H. Armstrong, M. J. Freeman, L Sands-Freeman et al. · PubMed · 1983 · 34 citations

Veterinary Medicine, Immunology, Infectious Diseases +17

The significance of the serotype in the clinical and pathological features of naturally occurring porcine salmonellosis.

Brian Wilcock, C. H. Armstrong, H. J. Olander · PubMed · 1976 · 31 citations

Veterinary Medicine, Infectious Diseases, Veterinary Pathology +15

Relationship among selected Leptospira interrogans serogroups as determined by nucleic acid hybridization

Judith N. Nielsen, C. H. Armstrong, Niels Chr. Nielsen · Journal of Clinical Microbiology · 1989 · 26 citations · Full text

Life Sciences, Genetics, Molecular Genetics +14