001: 170
003: Starlibrary PMS 4.5
005: 20180503
066: ^aPe.U
082: ^a618.2
100: ^aPeter W Callen
240: ^aUltrasonography In Obstetrics And Gynecology
245: ^aUltrasonography In Obstetrics And Gynecology
260: ^aus ^b saunders ^c2000