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2. Increasing access to contraceptive implants and intrauterine devices to reduce unintended pregnancy;The American College of Obstetricians and Gynecologists,2015
3. Effectiveness of long-acting reversible contraception;Winner;N Engl J Med,2012
4. Trends in long-acting reversible contraception use among U.S. women aged 15–44;Branum,2015
5. Declines in unintended pregnancy in the United States, 2008-2011;Finer;N Engl J Med,2016