TY  - GEN
AU  - Smits,Luc J M
AU  - de Bie,Rob A
AU  - Essed,Gerard G
AU  - van den Brandt,Piet A
TI  - Time to pregnancy and sex of offspring: cohort study
SN  - 1756-1833
PY  - 2006///0104
KW  - Adult
KW  - Cohort Studies
KW  - Female
KW  - Humans
KW  - Male
KW  - Maternal Age
KW  - Netherlands
KW  - Pregnancy
KW  - statistics & numerical data
KW  - Sex Ratio
KW  - Time Factors
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1136/bmj.331.7530.1437
ER  -