title: Doppler ultrasound and early pregnancy failure.
authors.forename: I
authors.initials: I
authors.lastname: Stabile
authors.forename: S
authors.initials: S
authors.lastname: Campbell
authors.forename: J G
authors.initials: JG
authors.lastname: Grudzinskas
mesh_terms: D000022:Abortion, Spontaneous / Q000503:physiopathology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012016:Reference Values; D014463:Ultrasonography / Q000592:standards*; D014655:Vascular Resistance