1. Fiaschi L, Nelson-Piercy C, Tata LJ. Hospital admission for hyperemesis gravidarum: a nationwide study of occurrence, reoccurrence and risk factors among 8.2 million pregnancies. Hum Reprod 2016; 31 (8): 1675–1684.
2. Matthews A et al. Interventions for nausea and vomiting in early pregnancy. Cochrane Database Syst Rev 2015; Sep 8; (9): CD007575.
3. Shehmar M et al. The Management of Nausea and Vomiting of Pregnancy and Hyperemesis Gravidarum. Green-top Guideline No. 69. Royal College of Obstetricians and Gynaecologists (RCOG), 2016.
4. Body C, Christie JA. Gastrointestinal diseases in pregnancy: nausea, vomiting, hyperemesis gravidarum, gastroesophageal reflux disease, constipation, and diarrhea. Gastroenterol Clin North Am 2016; 45 (2): 267–283.
5. Brunett P et al. The etiology of severe acute gastroenteritis among adults visiting emergency departments in the United States. US Acute Gastroenteritis Etiology Study Team SOJ Infect Dis 2012; 205 (9): 1374–1381.