Hormonal (levonorgestrel) emergency contraception--effectiveness and mechanism of action by Medard, Lech M, Ostrowska, Lucyna

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Inequalities in reproductive health care in Europe by Lech, Medard M.

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Statement on combined hormonal contraceptives containing third- or fourth-generation progestogens or cyproterone acetate, and the associated risk of thromboembolism by Bitzer, Johannes, Amy, Jean-Jacques, Beerthuizen, Rob, Birkhäuser, Martin, Bombas, Teresa, Creinin, Mitchell, Darney, Philip D, Vicente, Lisa Ferreira, Gemzell-Danielsson, Kristina, Imthurn, Bruno, Jensen, Jeffrey T, Kaunitz, Andrew M, Kubba, Ali, Lech, Medard M, Mansour, Diana, Merki, Gabriele, Rabe, Thomas, Sedlecki, Katarina, Serfaty, David, Seydoux, Jacques, Shulman, Lee P, Sitruk-Ware, Regine, Skouby, Sven O, Szarewski, Anne, Trussell, James, Westhoff, Carolyn

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Risk of cancer development in relation to oral contraception by Lech, Medard M., Ostrowska, Lucyna

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Effects of low-dose OCs on weight in women with Central European nutritional habits and lifestyle by Lech, Medard M, Ostrowska, Lucyna

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Survey on maternal mortality in Swaziland using the sisterhood method by Lech, Medard M., Zwane, Amos

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Oral contraceptives use and weight gain in women with a Central European life-style by Lech, MM, Ostrowska, L

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Efficacy of the body mass reduction program in obese women in perimenopausal age in comparison with the efficacy of that program in obese women in 18-44 years of age by Karczewski, Jan K, Ostrowska, Lucyna, Lech, Medard M

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New epidemiological problem in Poland: vertical transmission of human immunodeficiency virus by Lech, M M, Szczepanska-Putz, M

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Terminations of pregnancy in the European Union by Gissler, M, Fronteira, I, Jahn, A, Karro, H, Moreau, C, Oliveira da Silva, M, Olsen, J, Savona-Ventura, C, Temmerman, M, Hemminki, E

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