1Cappell MS,Friedel D.Abdominal pain during pregnancy[J].Gastroenterol Clin N Am,2003,32(1):51~58.
2Michl T,Jocic M,Heinemann A,et al.Vagal afferent signaling of a gastric mucosal acid insult to medullary,pontine,thalamic,hypothalamic and limboc,but not cortical,nuclei of the rat brain[J].Painm,2001,92(1):19~27.
3McRoberts JA,Coutinho SA,Marvizon JC,et al.Role of peripheral N-methyl-D-aspartate (NMDA) receptors in visceral nociception in rats[J].Gastroenterology,2001,120(21):1737~1748.
4Lucas MJ.Diabetes complicating pregnancy[J].Obstet Gynecol Clin North Am,2001,28(7):513~536.
5Kennedy A.Assessment of acute abdominal pain in the pregnant patient[J].Semin Ultrasound CT MR,2000,21(1):64~77.
6Timins JK.Radiation during pregnancy[J].New Jersey Med,2001,98(1):29~33.
7Cappell MS,Colon VJ,Sidhom OA.A study at 10 medical centers of the safety and efficacy of 48 flexible sigmoidoscopies and 8 colonoscopies during pregnancy with follow-up of fetal outcome and with comparison to control groups[J].Dig Dis Sci,1996,41(29):2353~2361.
8Simms I,Rogers PA,Nicoll A.The influence of demographic change and cumulative risk of pelvic inflammatory disease on the incidence of ectopic pregnancy[J].Epidemiol Infect,1997,119(1):49~52.
9Valley VT,Mateer JR,Aiman EJ,et al.Serum progesterone and endovaginal sonography by emergency physicians in the evaluation of ectopic pregnancy[J].Acad Emerg Med,1998,5(4):309~313.
10Charan M,Katz PO.Gastroesophageal reflux disease in pregnancy[J].Current Treatment Options Gastroenterol,2001,4(1):73~81.