Example: ul > li will match all <li> elements that are inside a <ul> element. Descendant selectors. The ' ' combinator selects nodes that are children (not necessary direct children) of the former specified element. Example: div span will match any <span> element that is inside a <div> element.
Generic Firazyr. Because a patent is in place until  July 2014, companies are currently not allowed to make a generic version of Firazyr (icatibant). However, after this patent expires, a generic product may become available.
The first patent for Cialis expires in 2016. This is the earliest date that a generic form of Cialis could become available. However, other circumstances could extend the exclusivity period beyond 2016. This could include such things as other patents for specific Cialis uses or lawsuits.