Facts & Comparison. Facts & Comparisons Web Site. http://online.factsandcomparisons.com/MonoDisp.aspx?monoID=fandc-hcp14937&quick=775908%7c5&search=775908%7c5&isstemmed=True&NDCmapping=-1&fromTop=true#firstMatch. Accessed September 12, 2016.
Ziac [package insert]. TEVA Women’s Health Inc., North Wales, PA; January 2016. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=238176e5-df10-457b-a5cf-c950a583e748. Accessed September 12, 2016.