Verbist, L. (1978). In vitro activity of piperacillin, a new semisynthetic penicillin with an unusually broad spectrum of activity.
Chicago-tyylinen lähdeviittausVerbist, L. In Vitro Activity of Piperacillin, a New Semisynthetic Penicillin With an Unusually Broad Spectrum of Activity. 1978.
MLA-viiteVerbist, L. In Vitro Activity of Piperacillin, a New Semisynthetic Penicillin With an Unusually Broad Spectrum of Activity. 1978.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.