RT Journal Article SR Electronic T1 What is the rare but well-documented cause of this recurrent chest infection? JF Breathe JO Breathe FD European Respiratory Society SP 383 OP 385 DO 10.1183/18106838.0304.383 VO 3 IS 4 A1 K. Nandakumar A1 I. Ahmed A1 R. Bhutt YR 2007 UL http://breathe.ersjournals.com/content/3/4/383.abstract AB