RT Journal Article SR Electronic T1 The Ontario cancer incidence survey, 1964-1966: a new approach to cancer data acquisition JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 489 OP 489 VO 109 IS 6 A1 MacKay, E. N. A1 Sellers, A. H. YR 1973 UL http://www.cmaj.ca/content/109/6/489.abstract