1. Quantitative real time cross-sectional echocardiography in the developing normal human fetus and newborn;Sahn, D.J.; Lange, L.; Allen, H.D.;Circulation,1980
2. Echocardiographic and anatomical correlates in the fetus;Allan, L.D.; Tynan, M.J.; Campbell, S.; Wilkinson, J.W.; Anderson, R.H.;Br HeartJr,1980
3. Grown of fetal biparietal diameter during normal pregnancy;Campbell, S.; Newman, G.B.;Joumnal of Obstetrics and Gynaecology of the British Commonvealth,1971
4. Echocardiographic studies of the human fetus: prenatal diagnosis of congenital heart disease and cardiac dysrhythmias;Kleinman, C.S.; Hobbins, J.C.; Jaffe, C.C.; Lynch, D.C.; Talner, N.S.;Pediatrics,1980
5. Identification of congenital cardiac malformations by echocardiography in midtrimester fetus;Allan, L.D.; Tynan, M.; Campbell, S.; Anderson, R.H.;Br Heart J,1981