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NEJM200101253440407
NEJM200101253440407
http://dx.doi.org/10.1056/NEJM200101253440407
Estrogen and the risk of breast cancer.
P356
Q34137105-95449645-B11F-42A0-88CC-2EE7326E1BD5
P356
NEJM200101253440407
http://dx.doi.org/10.1056/NEJM200101253440407