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American Journal of Obstetrics and Gynecology|September 1, 1989
Cocaine abuse during pregnancy: peripartum prevalence and perinatal outcomeM G Neerhof, S N MacGregor, S S Retzky, et al.
The Journal of Reproductive Medicine|January 1, 1995
The cotton swab test. Receiver-operating characteristic curvesD M Fedorkow, P K Sand, S S Retzky, et al.
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