| verruculogen production in airborne and clinical isolates of aspergillus fumigatus fres. | among airborne aspergilli sampled in outdoor air of the zagreb area (2002/2003), aspergillus niger (v. teigh.) and a. fumigatus (fres.) were the most abundant species (20-30%), with low mean annual concentrations (0.21-1.04 cfu m-3). higher concentrations of a. fumigatus were observed in autumn and winter (0.5-1.05 cfu m-3) than in spring and summer (0-0.4 cfu m-3). on the other hand, a. fumigatus was found to be the most frequent isolate from upper and/or lower respiratory tracts of imunocompro ... | 2005 | 16375825 |