Case-Control Studies on Soft-Tissue Sarcoma and Non-Hodgkin Lymphoma in Vietnam Publication Attachment: 93-185.pdf Authors: Kogenivas, M, Parkin, DM, Cordier, SB, Chung, TA, Hung, L, Cao, LD, Rivera-Pomar, E, Raphael, M, Stellmann, S Year: 1993