1. Loucopoulos A, Jewelewicz R Management of multifetal pregnancies: sixteen years' experience at the Sloan Hospital for Women Am J Obstet Gynecol 1982 143 902–5
2. Ron-El R, Caspi E, Schreyer P, Weinraub Z, Arieli S, Goldberg MD Triplet and quadruplet pregnancies and management Obstet Gynecol 1981 57 458–63
3. Martin JA, MacDorman MF, Mathews TJ Triplet births: trends and outcomes 1971–94 Vital Health Stat 1997 21 1–20
4. Luke B, Keith LG The contribution of singletons, twins and triplets to low birth weight, infant mortality and handicap in the United States J Reprod Med 1992 37 661–6
5. Holcberg G, Biale Y, Lewenthal H, Insler V Outcome of pregnancy in 31 triplet gestations Obstet Gynecol 1982 59 472–6