@article{7288b5bae1024559aa7b97f4f871f17f,
title = "Variation in couple fecundity and time to pregnancy, an essential concept in human reproduction.",
keywords = "Econometric and Statistical Methods: General, Geneeskunde (GENK), Genetics, Geneeskunde(GENK), Algemeen onderzoek",
author = "{te Velde}, E.R. and R. Eijckemans and J.D.F. Habbema",
year = "2000",
language = "Undefined/Unknown",
volume = "355",
pages = "1928--1929",
journal = "The Lancet",
issn = "0140-6736",
publisher = "Elsevier Limited",
}