Declining Fertility: Egg or Uterus?
LANCET 338(8762): 285-286, 3 August 1991
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Wong, John (2001-03-26)
Trevitt, Jamie (2006-04-18)Russian fertility levels are currently among the lowest in the world and fall well below the replacement level. Combined with the trend of high mortality, this creates a severe depopulation problem for the Russian Federation. ...
Mitteldorf, Joshua; Mosher, Steven W. (1998-11-20)