1. Thiocyanate and smoking in pregnancy;Andrews;Journal of Obstetrics and Gynaecology of the British Commonwealth,1973
2. A community study of smoking in pregnancy;Andrews;Journal of Obstetrics and Gynaecology of the British Commonwealth,1972
3. Smoking in pregnancy: is the message getting through?;Ashford;Journal Royal College of General Practitioners,1986
4. Change in fetal cardio-vascular system caused by smoking tobacco during pregnancy;Asmussen;World Smoking and Health,1980