00369nas a2200157   4500000000100000000000100001008004100002100001600043700001300059700001300072700001500085245006100100300001000161490000800171022003200179       2002                            d1 aT. McKeever1 aS. Lewis1 aC. Smith1 aR. Hubbard00aMode of delivery and risk of developing allergic disease  a800-20 v109  a0091-6749 (Print) 0091-6749