Supplemental data for the manuscript COMBINED METHOTREXATE AND SHORT-TERM TOPICAL CORTICOSTEROIDS COMPARED WITH PROLONGED TOPICAL CORTICOSTEROIDS ALONE IN BULLOUS PEMPHIGOID: A MULTICENTRE, NON-INFERIORITY RANDOMISED CLINICAL TRIAL : STUDY PROTOCOL

STUDY PROTOCOL OF THE MULTICENTRE, NON-INFERIORITY RANDOMISED CLINICAL TRIAL "COMBINED METHOTREXATE AND SHORT-TERM TOPICAL CORTICOSTEROIDS COMPARED WITH PROLONGED TOPICAL CORTICOSTEROIDS ALONE IN BULLOUS PEMPHIGOID"多中心非劣效性随机临床试验研究方案：《大疱性类天疱疮（bullous pemphigoid）患者甲氨蝶呤（methotrexate）联合短期外用糖皮质激素（topical corticosteroids）对比单用长期外用糖皮质激素》