1. Guidelines for perinatal care (7th ed.),2012
2. Screening for perinatal depression. Committee opinion no. 630;Obstetrics & Gynecology,2015
3. Obstetric care consensus. Severe maternal morbidity: Screening and review,2016
4. Postpartum depression,2015
5. Deadly delivery: The maternal health care crisis in the USA,2011