Second International Symposium on cancer and prevention Editors: C. Maltoni, M. Crespi and P. R. J. Burch. - Amsterdam: Excerpta Medica, 1973. - 140 p. ; 25 cm. - International congress series no.275 9021912104. . ISBN: 9021912104 Subjects--Topical Terms: Cancer--Diagnosis--Congresses.Cancer--Prevention--Congresses.