a clinical evaluation was carried out in 19 patients with lichen ruber planus to assess the effectiveness of 0.05 % betamethasone-17,21-dipropionate ointment in the treatment of patients whose lesions had developed resistance to prolonged treatment with 0.1 % betamethasone-17-valerate ointment .
C0005308
betamethasone
C0750848
betamethasone-17-valerate