1. Baer JL, Reis RA, Arens RA. Appendicitis in pregnancy with changes in position and axis of the normal appendix in pregnancy. JAMA 1932;98:1359.
2. Sarson EL, Bauman S. Acute appendicitis in pregnancy: difficulties in diagnosis. Obstet Gynecol 1963;22:388.
3. Brant HA. Acute appendicitis in pregnancy. Obstet Gynecol 1967;29:130.
4. Babaknia A, Parsa H, Woodruff JD. Appendicitis during pregnancy. Obstet Gynecol 1977;50:40.
5. Weingold AB. Appendicitis in pregnancy. Clin Obstet Gynecol 1983;26:801.