(Lyytinen 2010) Lyytinen HK, Dyba T, Ylikorkala O, Pukkala E. A case-control study on hormone therapy as a risk factor for breast
(Lyytinen 2010) Lyytinen HK, Dyba T, Ylikorkala O, Pukkala E. A case-control study on hormone therapy as a risk factor for breast cancer in