17th annual meeting of the Society of Perinatal Obstetricians : January 20-25, 1997, Anaheim, California Vol. 176 No. 1, Part 2, [Supl.] 1997. St. Louis : Mosby-Year Book, 1997. 22, 224 s.   [1, z toho volných 0, prezenčně 1]