SEARCH

SEARCH BY CITATION

References

  • 1
    Blondel B, Kaminski M. Trends in the occurrence, determinants, and consequences of multiple births. Semin Perinatol 2002;26: 239249.
  • 2
    Strauss A, Paek BW, Genzel-Boroviczeny O, Schulze A, Janssen U, Hepp H. Multifetal gestation—maternal and perinatal outcome of 112 pregnancies. Fetal Diagn Ther 2002;17: 209217.
  • 3
    Makhseed M, Al-Sharhan M, Egbase P, Al-Essa M, Grudzinskas JG. Maternal and perinatal outcomes of multiple pregnancy following IVF-ET. Int J Gynecol Obstet 1998;61: 155163.
  • 4
    CreasyRK, ResnikR, editors. Maternal–Fetal Medicine, 4th edition. Philadelphia: W.B. Saunders,1999.
  • 5
    Walker MC, Garner PR, Keely EJ, Rock GA, Reis MD. Changes in activated protein C resistance during normal pregnancy. Am J Obstet Gynecol 1997;117: 162169.
  • 6
    Commission on Professional and Hospital Activities. International Classification of Disease, 9th revision. Clinical Modification. Ann Arbor: The Commission,1992.
  • 7
    Canadian Classification of Diagnostic, Therapeutic, and Surgical Procedures. Ottawa: Statistics Canada,1986.
  • 8
    Wen SW, Liu S, Marcoux S, Fowler D. Uses and limitations of routine hospital admission/separation records for perinatal surveillance. Chronic Dis Can 1997;18: 113119.
  • 9
    De Swiet M. Maternal mortality: confidential enquiries into maternal deaths in the United Kingdom. Am J Obstet Gynecol 2000;182: 760766.
  • 10
    Huston P, Naylor CD. Health services research: reporting on studies using secondary data sources. CMAJ 1996;155: 16971702.
  • 11
    Rothman KJ, Greenland S. Modern Epidemiology, 2nd edition. Philadelphia: Lippincott Raven Publishers,1998.