IS DIPHTHERIA DECLINING IN MALIGNANCY?
نویسندگان
چکیده
منابع مشابه
Is human fecundity declining?
Summary The decreasing trends in fertility rates in many industrialized countries are now so dramatic that they deserve much more scientific attention. Although social and behavioural factors undoubtedly play a major role for these trends, it seems premature, and not based on solid information, to conclude that these trends can be ascribed to social and behavioural changes alone. There is evide...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1903
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)71938-1