{"author":"Boyd 1997","treatment":"Salmeterol","r":1,"N":229}
{"author":"Boyd 1997","treatment":"Placebo","r":1,"N":227}
{"author":"Calverly 2003","treatment":"Fluticasone","r":4,"N":374}
{"author":"Calverly 2003","treatment":"Salmeterol","r":3,"N":372}
{"author":"Calverly 2003","treatment":"SFC","r":2,"N":358}
{"author":"Calverly 2003","treatment":"Placebo","r":7,"N":361}
{"author":"Celli 2003","treatment":"Salmeterol","r":1,"N":554}
{"author":"Celli 2003","treatment":"Placebo","r":2,"N":270}