Katayev, Alexander Widespread Implementation of the Hoffmann Method: A Second Opinion. [electronic resource] - American journal of clinical pathology 06 2019 - 116-117 p. digital Publication Type: Letter; Comment ISSN: 1943-7722 Standard No.: 10.1093/ajcp/aqz015 doi Subjects--Topical Terms: HumansReferral and ConsultationResearch Design