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10. The price of emergency contraception in the United States: what is the cost-effectiveness of ulipristal acetate versus single-dose levonorgestrel? Bayer LL; Edelman AB; Caughey AB; Rodriguez MI Contraception; 2013 Mar; 87(3):385-90. PubMed ID: 23040122 [TBL] [Abstract][Full Text] [Related]
11. Ulipristal acetate: a new emergency contraceptive that is safe and more effective than levonorgestrel. Fine PM Womens Health (Lond); 2011 Jan; 7(1):9-17. PubMed ID: 21175385 [TBL] [Abstract][Full Text] [Related]
12. Emergency contraception: a second chance at preventing adolescent unintended pregnancy. Gold MA Curr Opin Pediatr; 1997 Aug; 9(4):300-9. PubMed ID: 9300185 [TBL] [Abstract][Full Text] [Related]
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15. Emergency postcoital contraception. Wertheimer RE Am Fam Physician; 2000 Nov; 62(10):2287-92. PubMed ID: 11126855 [TBL] [Abstract][Full Text] [Related]
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