AU  - Rockhill B, Willett WC, Hunter DJ, Manson JE, Hankinson SE, Colditz GA
TI  - A prospective study of recreational physical activity and breast cancer risk
PT  - JOUR
DP  - 1999
TA  - Archives of Internal Medicine
pages = {2290-2296},
VI  - 159
IP  - 19
AID  - 10.1001/archinte.159.19.2290 [doi]
4100  - http://dx.doi.org/10.1001/archinte.159.19.2290
SO  - Archives of Internal Medicine October 1, 1999 159(19):2290