1. Interferon-mediated enhancement of metastasis. Are MHC antigens involved?

   • Pier-Luigi Lollini
   • Carla De Giovanni
   • Patrizia Nanni

   OriginalPaper Pages: 277 - 287

2. Antitumor and antimeta static activity of the differentiating agent N-methylformamide in murine tumor systems

   • M. Iwakawat
   • P. J. Tofilon
   • L. Milas

   OriginalPaper Pages: 289 - 300

3. Loss of glucocorticoid receptors in B16BL6 murine melanoma associated with serial transplantation, metastatic selection and altered growth properties

   • G. P. risely
   • G. V. Sherbet

   OriginalPaper Pages: 301 - 310

4. A morphometric study of invasion and metastasis in human colorectal carcinoma

   • P. H. Watson
   • I. Carr

   OriginalPaper Pages: 311 - 319

5. Diffusion of dextrans and microspheres in the human amniotic basement membrane model

   • Bruce Persky
   • David M. Grganto

   Brief communication Pages: 321 - 328

6. NK-mediated reduction of malignancy in human melanoma cells treated with theophylline

   • Inna Gitelman
   • Wanda Abramow-Newerly
   • John C. Roder

   OriginalPaper Pages: 329 - 339