Klipstein, F. A., & Engert, R. F. (1979). Protective Effect of Active Immunization with Purified Escherichia coli Heat-Labile Enterotoxin in Rats.
Chicago-stil citatKlipstein, Frederick A., och Richard F. Engert. Protective Effect of Active Immunization With Purified Escherichia Coli Heat-Labile Enterotoxin in Rats. 1979.
MLA-referensKlipstein, Frederick A., och Richard F. Engert. Protective Effect of Active Immunization With Purified Escherichia Coli Heat-Labile Enterotoxin in Rats. 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.