RT Journal Article SR Electronic T1 Wheezing in early childhood JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 349 OP 349 VO 35 IS 276 A1 T.P. Usherwood YR 1985 UL http://bjgp.org/content/35/276/349.1.abstract AB