title: [The fertility of men is decreased by half in 50 years?].
authors.forename: M
authors.initials: M
authors.lastname: Niemi
mesh_terms: D004054:Diethylstilbestrol / Q000009:adverse effects; D004777:Environment; D005260:Female; D005298:Fertility; D006801:Humans; D007248:Infertility, Male / Q000453:epidemiology / Q000209:etiology; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012907:Smoking / Q000009:adverse effects; D013997:Time Factors; D015262:Xenobiotics / Q000633:toxicity
chemical_list: D015262:Xenobiotics; D004054:Diethylstilbestrol
vernacular_title: Miesten hedelmällisyys heikentynyt puoleen 50 vuodessa?