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van Wouwe, J.P. (author), Lanting, C.I. (author), van Dommelen, P. (author), Treffers, P.E. (author), van Buuren, S. (author), TNO Kwaliteit van Leven (author)Aim: The aim of this study was to gain insight into contraception practised and related to breastfeeding duration. Methods: Mothers with infants up to 6 months received a questionnaire on infant feeding (breast or formula feeding) and contraception (hormonal or non-hormonal methods). Estimates of the time interval between resuming contraception...article 2009
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van den Wolleswinkel- Bosch, J.H. (author), Vredevoogd, C.B. (author), Borkent-Polet, M. (author), van Eyck, J. (author), Fetter, W.P.F. (author), Lagro-Janssen, T.L.M. (author), Rosink, I.H. (author), Treffers, P.E. (author), Wierenga, H. (author), Amelink, M. (author), Richardus, J.H. (author), Verloove-Vanhorick, P. (author), Mackenbach, J.P. (author), TNO Preventie en Gezondheid (author)Background. To determine: 1) whether substandard factors were present in cases of perinatal death, and to what extent another course of action might have resulted in a better outcome, and 2) whether there were differences in the frequency of substandard factors by level of care, particularly between midwives and gynecologists/obstetricians and...article 2002
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Schaap, A.H.P. (author), Wolf, H. (author), Bruinse, H.W. (author), den Ouden, A.L. (author), Smolders-de Haas, H. (author), van Ertbruggen, I. (author), Treffers, P.E. (author), TNO Preventie en Gezondheid (author)Aim - To describe the long term outcome of extremely preterm growth retarded infants in relation to obstetric management and various perinatal events. Methods - A cohort study was undertaken in two tertiary care centres with different obstetric management. All infants with fetal growth retardation due to placental insufficiency and resulting in...article 1997
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- Buitendijk, S.E. (author), Treffers, P.E. (author), TNO Preventie en Gezondheid (author) article 1993