00540cam a2200193 a 4500001000800000005001700008008004100025010001700066020001500083040002300098041000800121060001600129080001200145082002000157100000600177101000800183245011600191504003900307383898620180302070719.0870113s1987    nyua     b    001 0 eng c  a   87000680   a0443084556  aDNLM/DLCcDLCdDLC  aeng  aWQ 17 S759p  a618.20700a618.207 SPI2191 a6  aRAD10aPrenatal ultrasound :cBeverly A. Spirt, Lawrence P. Gordon, Michael Oliphant ; photographs by John G. Hodgson.  aIncludes bibliographies and index.