Excluding Medline citations will exclude the majority of PubMed citaitons. Remember PubMed includes not only Medline but other sources. For example life science articles are extracted from general science and chemistry journals.
Below is a search for Review articles on Exercise Induced Asthma in Embase, excluding PubMed/Medline records
* Click on Sources (left column of results)
* Click within the circle marked Embase
* Click on Apply