Impact of Intrauterine Growth Retardation and Body Proportionality on Fetal and Neonatal OutcomeMichael Kramer, Marielle Olivier, Frances McLean, Diana Willis, Robert Usher11/1990Tijdschriftartikel
Effect of maternal work activity on preterm birth and low birth weightTeitelman, Welch, Hellenbrand, Bracken01/1990Tijdschriftartikel
Proposal for revised classification of epilepsies and epileptic syndromes. Commission on Classification and Terminology of the International League Against Epilepsy.International League Against Epilepsy1989 Jul-AugTijdschriftartikel
Statistical analysis of IgE antibodies to the common inhalant allergens in 44,496 sera.Aalberse, de Groot, Stapel1990 AugTijdschriftartikel
Individual Experiences as Cultural – a Cross-cultural Study on Loneliness Among the ElderlyJylhä, JokelaJan-09-1990Tijdschriftartikel
Chronic non-specific lung disease and occupational exposures estimated by means of a job exposure matrix: the Zutphen Study.Kromhout, Heederik, Pouwels, H. Kromhout1989 JunTijdschriftartikel