Reference:
1. Canadian paediatric society clinical practice guideline. Emergency contraceptive. Paediatr Child Health 1998; 3(5): 359-61.
2. Malleson RM, Emergency contraceptive: A simple, safe, and effective approach to preventing pregnancy after unprotected intercourse. BCMJ 2002; 44(1): 30-5.
3. Armstrong C. ACOG recommendations on emergency contaception. Am Fam Physician 2010; 15: 1278.
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