14th international congress "The Fetus as a Patient" and 12th international congress "Fetal Cardiology", abstracts : Amsterdam, Netherlands, May 12-15, 1998 / edit. H. P. Geijin ... [et al.] Vol. 13 Suppl. 1 1998. Basel : Karger, 1998. 176 s.ISBN 3-8055-6678-6   [1, z toho volných 0, prezenčně 1]