@article{13930e7a45c8471c89bde7b9e201bdd7,
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",
}