The 12th Workshop on "Mechanisms in B-Cell Neoplasia" continues this series of meetings on intriguing new developments in human and experimental B-cell tumors.

The papers in this book were presented at the 6th Workshop on Mechanisms in B-Cell Neoplasia, held in Bethesda, March 23-25, 1988. On alternate years this meeti

The eighth workshop in this series on Mechanisms in B-Cell Neoplasia 1990 was held in Wilson Hall at the National Institutes of Health, Bethesda, Maryland on Ma

Main topics covered: B-Cell Development; Immunoglobulin Gene Rearrangement; Multiple Myeloma, Plasmactomas; Lymphomas: B-CLL, Folli- cular Lymphomas BCL-2, BCL-

Workshops on the mechanisms of B cell neoplasia have been organized alternatively in Bethesda and Basel since 1983. Prog ress in our understanding of the develo