Concepedia
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Publications
1
Citations
38
H-Index
Active since
1975
H. A. Sparks is an author specializing in vaccine efficacy, tetanus toxoid vaccine, and controlled field trials.
Publications per year
1975–1975
Controlled field trial of a typhoid vaccine prepared with a nonmotile mutant of Salmonella typhi Ty2.
M. H. Wahdan, J E Sippel, I A Mikhail et al. · PubMed · 1975 · 38 citations
Veterinary Medicine, Immunology, Infectious Diseases +17
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