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European Journal of Obstetrics, Gynecology, and Reproductive Biology|October 8, 1991
Medication during low-risk pregnancyP C de Jong, W S Nijdam, G A Zielhuis, et al.American Journal of Epidemiology|November 1, 1991
Validation of a questionnaire on medical drug use during pregnancyP C de Jong, A A Huijsmans, H E Nienhuis, et al.European Journal of Obstetrics, Gynecology, and Reproductive Biology|November 1, 1986
Obstetrical policy during labor and perinatal results: a comparison between two university clinicsE A Steegers, R P Theunissen, W S Nijdam, et al.Pageof 1