00375nas a2200145   4500000000100000000000100001008004100002100001300043700001200056700001200068245009900080300001000179490000800189022003200197       2005                            d1 aC. Black1 aJ. Kaye1 aH. Jick00aCesarean delivery in the United Kingdom: time trends in the general practice research database  a151-50 v106  a0029-7844 (Print) 0029-7844