Acta Obstetricia Et Gynecologica Scandinavica · 2003 · 32 citations · 6 references
Chorionicity did not affect the overall fetal loss rate amongst the twin pregnancies in our setting. There were differences in patterns of loss according to chorionicity, which require further investigation.
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The statistical analysis of failure time data
Jay Herson · Controlled Clinical Trials · 1981 · 1.4K citations
Users' Guides to the Medical Literature
Andreas Laupacis · JAMA · 1994 · 503 citations
Humanity And Medicine, Clinical Guidelines, 76-Year-old Retired Schoolteacher +20