Raga F, Ballester M J, Strasser J, Bonilla-Musoles F
Universitätsfrauenklinik Valencia, Spanien.
Ultraschall Med. 1995 Feb;16(1):29-32. doi: 10.1055/s-2007-1003234.
We report on the early diagnosis of two cases of extraamniotic pregnancy in the first trimester using transvaginal colour Doppler. The flow alterations in trophoblastic and corpus luteum vessels were of low diagnostic significance.