Gunawan, H., and P. B. Notopuro. “RAPID PROGRESSION OF CLAVICULAR SOLITARY PLASMACYTOMA TO MULTIPLE MYELOMA”. INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY, vol. 25, no. 2, Apr. 2019, pp. 246-9, doi:10.24293/ijcpml.v25i2.1398.