[Evaluation, by pulsed Doppler, of blood flow velocity distal to the 4 heart valves in living human fetuses]
Journal article published in 1987 by
F. Pizzuto,
F. Tocci,
M. Annicchiarico,
S. Miceli,
P. Gallo,
R. Ricci,
A. Giancotti 
,
V. Colloridi,
A. Reale
,
V. Colloridi,
A. Reale
