The Journal of Maternal-Fetal & Neonatal Medicine · 2012 · 79 citations · 35 references
PVH, which is a histologic marker of relative placental insufficiency, is a common finding in idiopathic PTB.
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Trophoblastic invasion of human decidua from 8 to 18 weeks of pregnancy
Robert Pijnenborg, Glenys Dixon, W.B. Robertson et al. · Placenta · 1980 · 849 citations