Heli Lyytinen

Breast Cancer Risk in Postmenopausal Women Using Estrogen-Only Therapy

Heli Lyytinen, ­Eero Pukkala, Olavi Ylikorkala · Obstetrics and Gynecology · 2006 · 153 citations

Estradiol-based postmenopausal hormone therapy and risk of cardiovascular and all-cause mortality

Tomi S. Mikkola, Pauliina Tuomikoski, Heli Lyytinen et al. · Menopause The Journal of The North American Menopause Society · 2015 · 118 citations

Increased Cardiovascular Mortality Risk in Women Discontinuing Postmenopausal Hormone Therapy

Tomi S. Mikkola, Pauliina Tuomikoski, Heli Lyytinen et al. · The Journal of Clinical Endocrinology & Metabolism · 2015 · 99 citations · Full text

A case‐control study on hormone therapy as a risk factor for breast cancer in Finland: Intrauterine system carries a risk as well

Heli Lyytinen, Tadeusz Dyba, Olavi Ylikorkala et al. · International Journal of Cancer · 2009 · 96 citations · Full text

Endometrial Cancer in Postmenopausal Women Using Estradiol–Progestin Therapy

Susanna Jaakkola, Heli Lyytinen, ­Eero Pukkala et al. · Obstetrics and Gynecology · 2009 · 65 citations