00425nam a22001097a 4500020002200000082001900022100003500041245003600076260004400112300002900156650013000185  a044307013 x (pbk)  a618.20757bSMI  aSmith, Norman CaA Pat M Smith  aObstetric ultrasound made easy   aEdinburghbChurchill Livingstone c2002  a184 p.b: ill.c; 18 cm.  aUltrasonics in obstetrics vDetailed anomaly scan vEarly pregnancy vAmniotic fluid vInvasive procedures vMacrosomia vPRH