Sigwart, D. F., Stocker, B. A., & Clements, J. D. (1989). Effect of a purA mutation on efficacy of Salmonella live-vaccine vectors.
Citação norma ChicagoSigwart, D. F., B. A. Stocker, and J. D. Clements. Effect of a PurA Mutation On Efficacy of Salmonella Live-vaccine Vectors. 1989.
MLA CitationSigwart, D. F., B. A. Stocker, and J. D. Clements. Effect of a PurA Mutation On Efficacy of Salmonella Live-vaccine Vectors. 1989.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.