1. Intrauterine growth retardation;Beischer,1984
2. Determination of SP1 and hPL for predicting perinatal asphyxia;Bellman,1980
3. Ultrasonic measurement of the fetal head-to-abdomen circumference ratio in the assessment of growth retardation;Campbell;British Journal of Obstetrics and Gynaecology,1977
4. An end to antenatal oestrogen monitoring?;Chamberlain;Lancet,1984
5. Normality and abnormality;Chard,1976