Donald A Redelmeier, Finlay A McAlister, Christopher E Kandel, Hong Lu, Nick Daneman
Redelmeier D A, McAlister F A, Kandel C E, Lu H, Daneman N.
Postoperative pneumonia in elderly patients receiving acid suppressants: a retrospective cohort analysis
BMJ 2010; 340 :c2608
doi:10.1136/bmj.c2608