class="Serp__item__snippet--34vQF">Sixteen centers from the United Kingdom and Norway participated in this multicenter study. Administration of amlodipine (2.5 mg with adjustment to 5.0 mg and to 10.0 mg o.d.) or verapamil (80 mg b.i.d. titrating to 160 mg b.i.d.) for 8 weeks to patients with mild...