breast cancer
METHODS: We conducted a case-control study of endometrial       cancer (324 case patients and 671 individually matched control subjects) nested       within a population-based cohort of patients with breast cancer diagnosed from       1978 through 1992 within four regions of the United States.
METHODS: We conducted a case-control study of endometrial       cancer (324 case patients and 671 individually matched control subjects) nested       within a population-based cohort of  @OBJECT$   @PREDICAT$   @SUBJECT$  diagnosed from       1978 through 1992 within four regions of the United States.