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Sex behavior among high school students in Sweden: improvement in contraceptive use over time
Elisabet Häggström-Nordin, Ulf Hanson, Tanja TydénVolume:
30
Year:
2002
Language:
english
DOI:
10.1016/s1054-139x(01)00401-3
File:
PDF, 462 KB
english, 2002