Reduced number of extrauterine pregnancies--increased fertility of women during the 1990s?
Bakken, Inger Johanne ; Skjeldestad, Finn Egil
Tidsskrift for den Norske Lægeforening, 2003-11, Vol.123 (21), p.3011-3014
[Periódico revisado por pares]
Norway
Texto completo disponível