Levonorgestrel-Releasing System, Intrauterine: References

MIRENA (levonorgestrel-releasing intrauterine system). Accessed August 6, 2015 from: http://labeling.bayerhealthcare.com/html/products/pi/Mirena_PI.pdf

LILETTA (levonorgestrel-releasing intrauterine system). Accessed August 6, 2015 from: http://pi.actavis.com/data_stream.asp?product_group=1960&p=pi&language=E

Levonorgestrel. DRUGDEX System. 2015 Truven Health Analytics, Inc. Accessed August 6, 2015 from http://thomsonhc.com.