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International Endodontic Journal|March 1, 1990
Stimulation of the growth of Streptococcus sanguis (NCTC 7864) by zinc in vitroS D Meryon, S G Johnson
The American Journal of Digestive Diseases|October 1, 1978
Relation between serum pancreatic isoamylase concentration and pancreatic exocrine functionS G Johnson, M D Levitt
Proceedings. Biological Sciences|April 22, 1994
Brooding and the evolution of parthenogenesis: strategy models and evidence from aquatic invertebratesC M Lively, S G Johnson
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