00419nas a2200145 4500000000100000000000100001008004100002100001200043700001200055700001300067245014400080300001000224490000700234022003200241 2003 d1 aC. Yang1 aS. Jick1 aM. Testa00aDiscontinuation and switching of therapy after initiation of lipid-lowering drugs: the effects of comorbidities and patient characteristics a84-910 v56 a0306-5251 (Print) 0306-5251