1-Bacq Y,Zarka O,Brechot JF,Mariotte N,Tichet SVJ,Weill J. Liver function test in normal pregnancy: A prospective study of 103 pregnant women and 103 matched control. Hepatology: 1996; 23(5) :1030-1034.
2-Blackburn ST,Loper DL.Maternal,fetal and neonatal physiology.Aclinical perspective.Philadelphia:Saunders,1992
3-VanThiel DH,Gavaler JS.Pregnancy
associated sex steroids and their effects on the liver.Semin Liver Dis:1987;7:1-7.
4-Lund CJ,Donovan JC.Blood volume during pregnancy.Am J Obstet Gynecol:1967;98:393-403.
5-Alonso AG. Effect of pregnancy on pre-exiting liver disease physiological changes during pregnancy. Annals of Hepatology:2006;5(3):184-186.
6-Eapen CE,Ramakrishna B,Jose R,Loganathan G,Chandy G.Liver failure during pregnancy. Gut; 2008: 57-83.
7-Girling J,Kenyon A.Liver disease in pregnancy. Women,s Health Medicine:2003;Vol 2,Issue2:26-28.
8-Guntupalli RS, Steingrub J. Hepatic disease and pregnancy: An overview of diagnosis and management. Crit Care Med: 2005; 33(10.Suppl.): 332-339.
9-Wong HY,Tan JYL,Lim CC.Abnormal liver function tests in symptomatic pregnant patient:The local experience in Singapore.Ann Acad Med Singapore: 2004;33:204-208.
10-Hunt CM,Sharara ALA.Liver disease in pregnancy. American Academy of Family Physician.(February 15, 1999). Vol 59/No.4.
11-Chopra S,Griffin PH.Laboratory tests and diagnostic procedures in evaluation of liver disease.Am J Med:1985;79:221-230.
12-Rahman TM,Wendon J.Sever hepatic dysfunction in pregnancy.QJ Med:2002;95:343-357.
13-Danial,W.W.Hypothesis testing.In:Biostatistic A foundation for analysis in the health science. London. Wiley J and Sons:1983;Third edition.161.
14-Chandy CL.Morgan M,Haunsworth I,Kinghman JGC.Prospective study of liver dysfunction in pregnancy in Southwest Wales.Gut 2002;51:876-880.
15-Knopp RH,Bergelin RO,Wahl PW,Walden CE, Chapman MB.Clinical chemistry alteration in pregnancy and oral contraceptive use.Obstet Gynecol 1985;66:682-690.
16-Cerutti R, Ferraris S, Grella P, Castelli Women,s GP, Rizzotti P. Bahaviour of serum enzymes in pregnancy.Clin Exp Obstet Gynecol 1976;3:22-24.
17-Salgo L,Pal A.Variation in some enzymes in amniotic fluid and maternal serum during pregnancy.Enzyme 1989;41:101-107.
18-Elliott JR,O,kell RT.Normal clinical values for pregnant women at term.Clin Chem 1971;17:156-157.
19-Jarnfeit-Samsioe A,Eriksson B,Waldenstrome J,Samsioe G.Serum bile acids, gamma_ glutamyltransferase and routine liver tests in emetic and nonemetic pregnancies.Gyencol Obstet Invest 1986;21:169-176.
20-Meade BW,Rosalki SB.Serum enzyme activity in normal pregnancy and the newborn.J Obstet Gynaecol 1993;70:693-700.
21-Riely CA.Hepatic disease in pregnancy.Am J Med 1994;96(1):18-22.
22-Samuels P,Cohen AW.Pregnancies complicated by liver disease and liver dysfunction.Obstet Gynecol Clin North Am 1992;19:745-763.
23-Smoleniec JS,James DK.Gastro_intestinal crises during pregnancy.Dig Dis 1993;11:313-324.
24-Sjogren MH.Hepatic emergencies in pregnancy.Med Clin North Am 1993;77:1115-1127.
25-Loganathan G,Rachel G,Eapen CE.Liver function tests in normal pregnancy:astudy from Southern India.Indian J of gastroenterology 2005;24 (6): 268-269.