Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kodama Hajime,Monoclonal hyperglobulinemic purpura in multiple myeloma;IgG anti-IgG complexes as a pathogenetic factor,Japanese Journal of Dermatology. Ser. B,0368282X,Tokyo : Japanese Dermatological Association,1972-06,82,2,41-46,https://cir.nii.ac.jp/crid/1523388079765417600,