| mould spores and yeasts in outdoor air. | most inviable spore counts of outdoor air in europe are based on burkard spore trap results. for viable counts different kinds of slit samplers and andersen sampler are used. results of viable and inviable sampling methods are not completely comparable, but the results complete each other. spore frequencies in outdoor air are almost equal in different nordic countries. cladosporium is the most important spore type everywhere. in south finland it accounts for ca. 85% of viable and ca. 50% inviabl ... | 1985 | 4083413 |