This cohort study uses data from the prospective NIH-AARP Diet and Health Study to examine whether associations between duration of contraceptive use and ovarian, endometrial, breast, and colorectal cancer risk are altered by modifiable lifestyle characteristics.
http://ift.tt/2EVMvKO
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου