00418nas a2200157   4500000000100000000000100001008004100002100001400043700001300057700001700070700001200087245011200099300001000211490000700221022003200228       2013                            d1 aP. Briggs1 aC. Praet1 aS. Humphreys1 aC. Zhao00aImpact of UK Medical Eligibility Criteria implementation on prescribing of combined hormonal contraceptives  a190-60 v39  a1471-1893 (Print) 1471-1893