Panizzi, Luigi; Scarpati, Maria Luisa (1954). «Constitution of Cynarine, the Active Principle of the Artichoke». Nature174 (4440): 1062. PMID13214078. doi:10.1038/1741062a0.
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Panizzi, Luigi; Scarpati, Maria Luisa (1954). «Constitution of Cynarine, the Active Principle of the Artichoke». Nature174 (4440): 1062. PMID13214078. doi:10.1038/1741062a0.