1. Chawla S, Nakra M, Mohan S, Nambiar BC, Agarwal R, Marwaha A. Why do obstetric patients go to the ICU? A 3-year-study. Med J Armed forces India. 2013;69(2):134–7.
2. Reddy KH, Muduy S, Pallavi S, Dasari VS. Obstetric ICU admissions–a clinical audit. International journal of medical science and clinical inventions. 2015;3(2):773–83.
3. Soubra SH, Guntupalli KK. Critical illness in pregnancy: an overview. Crit Care Med. 2005;33(10 suppl):248–55.
4. Making pregnancy safer. WHO regional office for Europe. Website: http://www.euro.who.int/pregnancy. [accessed 2008 sep].
5. Leung NYW, Lau ACW, Chan KKC, Yan WW. Clinical characteristics and outcomes of obstetric patients admitted to the intensive care unit: a 10-years retrospective review. Hong Kong Med J. 2010;16:18–25.