TY - GEN AU - Levi D'Ancona,R AU - Pinzano,R AU - Maso,G P AU - Ricci,G AU - Bogatti,P AU - Alberico,S TI - [The use of ultrasonography in the prediction of first-trimester abortion] SN - 0026-4784 PY - 1994///0728 KW - Abortion, Spontaneous KW - diagnostic imaging KW - Adult KW - Female KW - Humans KW - Italy KW - epidemiology KW - Multivariate Analysis KW - Pregnancy KW - Pregnancy Trimester, First KW - Prognosis KW - Prospective Studies KW - Ultrasonography, Prenatal KW - statistics & numerical data N1 - Publication Type: Journal Article ER -