@article{4f4644fc9a2448bba2e85e3065c74eb8,
title = "Does the sibling effect have its origin in utero?: Investigating birth order, cord blood immunoglobulin E concentration, and allergic sensitization at age 4 years",
keywords = "Birth Order, Child, Preschool, Cohort Studies, Female, Fetal Blood/chemistry, Humans, Hypersensitivity, Immediate/blood, Immunoglobulin E/blood, Male, Nuclear Family, Odds Ratio, Parity/immunology, Predictive Value of Tests, Pregnancy, Prospective Studies, Sex Factors, Skin Tests/statistics & numerical data, Socioeconomic Factors",
author = "Bernsen, {Roos M D} and {van der Wouden}, {Johannes C}",
year = "2002",
month = nov,
day = "1",
language = "English",
volume = "156",
pages = "882; author reply 883--4",
journal = "American journal of epidemiology",
issn = "0002-9262",
publisher = "Oxford University Press",
number = "9",
}