RT Journal Article SR Electronic T1 Reducing the risk of infection in a 74-year-old man who is to receive prednisone JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1239 OP 1240 DO 10.1503/cmaj.131430 VO 186 IS 16 A1 Daniel M. Shafran A1 Paul E. Bunce A1 Wayne L. Gold YR 2014 UL http://www.cmaj.ca/content/186/16/1239.abstract AB