00405nas a2200145 4500000000100000000000100001008004100002100001600043700001500059700001700074245012100091300000900212490000600221022003200227 2001 d1 aS. Rowlands1 aH. Devalia1 aR. Lawrenson00aPreferential prescribing of type of combined oral contraceptive pill by general practitioners to teenagers with acne a9-130 v6 a1362-5187 (Print) 1362-5187