Continue follow-up on the total population of study and control women for ascertainment of breast cancer incidence and deaths in a minimum period exposure of fifteen years following entry into the study; continue the intensive follow-up of all study and control group women with diagnosed breast cancer for ascertainment of survival status or cause of death; continue data collection on breast cancer incidence cases and general mortality; continue and extend data analysis. Reexamination of breast cancer risk factors and analysis of costs in conducting the study has been eliminated from the workscope.
| Doria-Rose, V Paul; Marcus, Pamela M; Miller, Anthony B et al. (2010) Does the source of death information affect cancer screening efficacy results? A study of the use of mortality review versus death certificates in four randomized trials. Clin Trials 7:69-77 |
| Shapiro, S (1989) The status of breast cancer screening: a quarter of a century of research. World J Surg 13:9-18 |
