RT Journal Article SR Electronic T1 Pneumocystis and glucocorticoid use: to prophylax or not to prophylax (and when?); that is the question JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 631 OP 633 DO 10.1136/annrheumdis-2017-212588 VO 77 IS 5 A1 Winthrop, Kevin L A1 Baddley, John W YR 2018 UL http://ard.bmj.com/content/77/5/631.abstract AB