Islam et al. 2003. Bioautography with the Fungus Valsa ceratosperma. in the Search for Antimycotic Agents. Pharmaceutical Biology. 41: 637–640.
Dr. N. Nakazawa's affiliation should be: Aomori Green BioCenter, Yamaguchi, Nogi, Aomori, Japan.
Avato P and Guglielmi G. 2004. Determination of Major Constituents in St. John's Wort Under Different Extraction Conditions. Pharmaceutical Biology. 42: 83–90.
Figure 1 legend should read: UV spectra of hypericin (–) and H. perforatum. extracted by sonication with MeOH (- - -) and by maceration with acetone/H2O (- -).