6Krayenbuhl M,Huch A,Zimmermann K.Single intrauterine fetal death in twin pregnancy[J].Geburyshilfe Neonatol,1996,202(2):60.
7Fusi L,Gordon H.Twin pregnancy complicated by single intrauterine death problem and outcome with conservative management[J].Br J Obstet Gynecol,1990,97(6):511-516.
8Enbom JA. Twinpregnancy with intrauterine death of one twin [ J ]. Am J Obstet Gynecol, 1985,152:424 - 429.