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JWH.2011.2893
JWH.2011.2893
http://dx.doi.org/10.1089/JWH.2011.2893
Early age at first intercourse and subsequent gaps in contraceptive use.
P356
Q35768690-17C2A6DE-2375-4896-91D9-3AB1A2F821A6
P356
JWH.2011.2893
http://dx.doi.org/10.1089/JWH.2011.2893