RT Journal Article SR Electronic T1 Peanut allergy: how common is it and why? JF Breathe JO Breathe FD European Respiratory Society SP 328 OP 329 DO 10.1183/18106838.0304.328 VO 3 IS 4 A1 P. Cullinan YR 2007 UL http://breathe.ersjournals.com/content/3/4/328.abstract AB