00551cam a2200157 a 4500001000700000003000400007005000900011008005900020020001800079245010700097260002800204300000900232650011100241700002800352040001300380136300OSt201809210000001993                             AN  0000000000   00  a0-316-13865-7  aUltrasound in obstetrics and gynecologyceditado Frank A. Chervenak Glann C. Isaacson, Stuart Campbell  aBoston :bLittlecBrown  a2 v.  aAparato Genital FemeninoaDiagnostico PrenatalaFetoaUltrasonido en ObstetriciaaUltrasonografia Prenatal  aChervenak, Frank A., ed  aDLCcDLC