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NEJM199904013401301
NEJM199904013401301
http://dx.doi.org/10.1056/NEJM199904013401301
The mode of delivery and the risk of vertical transmission of human immunodeficiency virus type 1--a meta-analysis of 15 prospective cohort studies.
P356
Q34502812-BAED8F3E-058E-48EA-A068-BE67311A4056
P356
NEJM199904013401301
http://dx.doi.org/10.1056/NEJM199904013401301