Prerequisites to run the workflow with other data than in the example: 1. Generate a suitable query on PubMed webpage (http://www.ncbi.nlm.nih.gov/pubmed) , e.g. (("nonalcoholic"[all fields] OR "non-alcoholic"[all fields] OR "non alcoholic"[all fields]) AND "steatohepatitis"[all fields]) OR (("fat"[all fields] OR "liver"[all fields] OR "hepatic"[all fields]) AND NASH[Title/Abstract]) 2. Download hits from PubMed webpage ("Sent to" > "File" > "Format CSV") as CSV file 3. The downloaded CSV file is input for the FileReader node (delimiter = ","; "allow short line"; "read column header") in this workflow.