A fabric for use with louver-type vertical blinds is provided. An oxygen generating materials of the present invention is prepared by packaging solid peroxide and peroxide decomposition catalyst with a moisture-permeable material having a cup method moisture permeability of more than 20 gm224 hr and being impervious to water at normal pressure. Selections of data from the EMR are received to make available to case report forms. The SLU can then determine an initial relevance of a particular product to the query based on the probabilistic distribution and the relevance of leaf category to query. The power converter may include a power inductor and plurality of switches arranged to sequentially operate in a plurality of switch configurations. An array of light extracting elements extends at least part way through the multi-layer semiconductor structure and improves the extraction efficiency for the internally generated light.