Kamyab, Kambiz C4d immunohistochemical stain of formalin-fixed paraffin-embedded tissue as a sensitive method in the diagnosis of bullous pemphigoid. [electronic resource] - Journal of cutaneous pathology Oct 2019 - 723-728 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 1600-0560 Standard No.: 10.1111/cup.13490 doi Subjects--Topical Terms: Complement C4--metabolismFemaleFormaldehydeHumansImmunohistochemistryMaleParaffin EmbeddingPemphigoid, Bullous--diagnosisRetrospective Studies