Contents

08 June 1984
Vol 224, Issue 4653

About The Cover

Scanning electron micrograph of murine B16-F10 melanoma cells binding to a cryostat section of murine lung (about ×21,000). These metastatic tumor cells adhere preferentially to the tissues that they colonize in vivo. See page 1113. [Samples were prepared and photographed by Peter A. Netland and Bruce R. Zetter in collaboration with William J. Landis and Karen J. Hodgens, Children's Hospital, Boston, Massachusetts 02115]