Simi Ravindran A clinical trial to evaluate the efficacy of picchavasthi in reducing signs and symptoms of ulcerative colotis guidence of dr p k santhakumari/govt. ayur coll, tvm - Thiruvananthapuram Govt ayurveda college thiruvananthapuram 2008 - 163 PAN16 Subjects--Topical Terms: Panchakarma Dewey Class. No.: PAN / SIM/CL