COMPARISON OF CALCIPOTRIENE (DOVONEX) AND COAL TAR (EXOREX) IN PATIENTS

本研究的目的是比较这些药物在 控制牛皮癣。患者将选择两个银屑病病变， 同样，一个病变将得到。钙泊三烯软膏的其他病变将 先用Exorex凝胶再用Exorex乳膏将对所有病变进行拍照 治疗前、治疗后每2 ~ 4周及研究结束时。 这项研究将持续2至4个月。

The purpose of this study is to compare the usefulness of these drugs in controlling psoriasis. Patient will choose two psoriatic lesions that are alike, one lesion will get. Calcipotriene ointment the other lesion will get Exorex gel and then exorex cream. All lesions will be photographed before the therapy, every 2 to 4 weeks after, and the end of the study. This study will last 2 to 4 months.