RT Journal Article SR Electronic T1 The Ontario cancer incidence survey, 1965: a progress report JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 51 OP 52 VO 103 IS 1 A1 MacKay, E. N. A1 Sellers, A. H. YR 1970 UL http://www.cmaj.ca/content/103/1/51.abstract