1. Hyperemesis gravidarum;Abell;Gastroenterol Clin North Am,1992
2. Liver disease in pregnancy;Knox;N Engl J Med,1996
3. Bacq Y, Riely CA. Hyperemesis gravidarum. UpToDate 2001. http://www.uptodate.com.
4. Liver disease in pregnancy;Wolf;Med Clin North Am,1996
5. Prevalence and characteristics of liver dysfunction in hyperemesis gravidarum;Wallstedt;Clin Res,1990