Eric M Mortensen, Marcos I Restrepo, Laurel A Copeland, Mary Jo V Pugh, Antonio Anzueto
Mortensen E M, Restrepo M I, Copeland L A, Pugh M J V, Anzueto A.
Statins and outcomes in patients with pneumonia
Not only healthy user bias
BMJ 2006; 333 :1123
doi:10.1136/bmj.39038.509167.1F