Rattanachaikunsopon, Pongsak; Phumkhachorn, Parichat. Bacteriostatic effect of flavonoids isolated from leaves of Psidium guajava on fish pathogens. Fitoterapia. 2007, 78 (6): 434–436. PMID 17553634. doi:10.1016/j.fitote.2007.03.015.
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Rattanachaikunsopon, Pongsak; Phumkhachorn, Parichat. Bacteriostatic effect of flavonoids isolated from leaves of Psidium guajava on fish pathogens. Fitoterapia. 2007, 78 (6): 434–436. PMID 17553634. doi:10.1016/j.fitote.2007.03.015.