Hearn, S Pattern makers mortality study. [electronic resource] - Journal of occupational medicine. : official publication of the Industrial Medical Association Oct 1983 - 719, 722 p. digital Publication Type: Letter ISSN: 0096-1736 Standard No.: 10.1097/00043764-198310000-00006 doi Subjects--Topical Terms: Colonic Neoplasms--mortalityHumansOccupational Diseases--mortalityRectal Neoplasms--mortality