Spontaneous conception in subfertile couples.
Eijkemans
M J
MJ
Habbema
J D
JD
te Velde
E R
ER
D000328:Adult; D005260:Female; D005306:Fertilization; D006801:Humans; D007246:Infertility / Q000503:physiopathology*; D008297:Male; D008954:Models, Biological; D011247:Pregnancy; D011379:Prognosis