PONTIFICIAE ACADEMIAE SCIENTIARUM SCRIPTA VARIA 43 538,584 The role of non-specific immunity in the prevention and treatment of cancer. Proceedings of a study week at the Pontifical Academy of Sciences;October 17—21, 1977. Ed. by Michael Sela. Amsterdam 1979 Elsevier/north-Holland Biomedical Press 80 s. XXVI, nib 2, 589, il. Poniificiae Academiae Scientiarum Scripta Varia 43