It is possible to browse the Cochrane Library either by Topic, or by Cochrane Review Group. Below you can see the top level list of Topics
Clicking on a link will display a set of results for the topic, from which you can further refine results as necessary. Below, you can see the results for the Lungs & airways topic. From here, you can filter by content type using the tabs along the top, or limit results using any of the filters to the left of the results: these include a range of more specific topics within lungs & airways, such as Respiratory infections
When browsing by Cochrane Review Group, the same options are available to help you refine your results.