RT Journal Article SR Electronic T1 The influence of malignant cell cytology screening on the survival of industrial bladder cancer cases. JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 35 OP 38 DO 10.1136/jech.35.1.35 VO 35 IS 1 A1 R A Cartwright A1 T Gadian A1 J B Garland A1 S M Bernard YR 1981 UL http://jech.bmj.com/content/35/1/35.abstract AB The influence of urinary malignant cell cytology screening has been explored in an industrial population. Survival was prolonged in the screened group partly because a greater proportion of early stages disease was being diagnosed, and partly because of other differences in the screened group which have yet to be defined.