TY  - JOUR
A1  - Ma, H.
A1  - Bernstein, L.
A1  - Pike, M.C.
A1  - Ursin, G.
T1  - Reproductive factors and breast cancer risk according to joint estrogen and progesterone receptor status: a meta-analysis of epidemiological studies
Y1  - 2006
DO  - 10.1186/bcr1525
JF  - Breast Cancer Research
VL  - 8
IS  - 4
SP  - 1
EP  - -11

ER  -